Kenneth E. Leslie

Kenneth E. Leslie's AcademicInfluence.com Rankings

Kenneth E. Leslie

Biology

#11382

World Rank

#14774

Historical Rank

Botany

#377

World Rank

#1184

Historical Rank

biology Degrees

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Biology

Kenneth E. Leslie's Degrees

PhD Animal Science University of California, Davis
Masters Animal Science University of California, Davis
Bachelors Animal Science University of California, Davis

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Kenneth E. Leslie's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Defining and diagnosing postpartum clinical endometritis and its impact on reproductive performance in dairy cows. (2002) (757)
Impact of hyperketonemia in early lactation dairy cows on health and production. (2009) (616)
Endometrial cytology and ultrasonography for the detection of subclinical endometritis in postpartum dairy cows. (2004) (607)
Alteration in immune responsiveness during the peripartum period and its ramification on dairy cow and calf health. (1998) (484)
Metabolic predictors of displaced abomasum in dairy cattle. (2005) (474)
Major advances in disease prevention in dairy cattle. (2006) (452)
Factors associated with morbidity, mortality, and growth of dairy heifer calves up to 3 months of age. (2014) (365)
Risk factors for postpartum uterine diseases in dairy cows. (2010) (320)
Herd Health: Food Animal Production Medicine (1994) (308)
The effect of subclinical ketosis in early lactation on reproductive performance of postpartum dairy cows. (2007) (305)
Definitions and diagnosis of postpartum endometritis in dairy cows. (2010) (284)
Evaluation of changes in somatic cell counts as indicators of new intramammary infections (1991) (282)
Use of test day milk fat and milk protein to detect subclinical ketosis in dairy cattle in Ontario. (1997) (239)
A comparison of the cytobrush and uterine lavage techniques to evaluate endometrial cytology in clinically normal postpartum dairy cows. (2005) (236)
Efficacy of monensin for the prevention of subclinical ketosis in lactating dairy cows. (1998) (235)
Sensitivity and specificity of somatic cell count and California Mastitis Test for identifying intramammary infection in early lactation. (2001) (220)
The effect of treatment of clinical endometritis on reproductive performance in dairy cows. (2002) (215)
Metabolic predictors of post-partum disease and culling risk in dairy cattle. (2007) (213)
The association of serum metabolites in the transition period with milk production and early-lactation reproductive performance. (2012) (212)
An evaluation of Brix refractometry instruments for measurement of colostrum quality in dairy cattle. (2010) (206)
Associations of the bovine major histocompatibility complex DRB3 (BoLA-DRB3) alleles with occurrence of disease and milk somatic cell score in Canadian dairy cattle. (1998) (201)
Association of cow and quarter-level factors at drying-off with new intramammary infections during the dry period. (2004) (187)
The effect of a single administration of cephapirin or cloprostenol on the reproductive performance of dairy cows with subclinical endometritis. (2005) (183)
The selective treatment of clinical mastitis based on on-farm culture results: I. Effects on antibiotic use, milk withholding time, and short-term clinical and bacteriological outcomes. (2011) (183)
Peripartum serum vitamin E, retinol, and beta-carotene in dairy cattle and their associations with disease. (2004) (181)
Evaluation of eight cow-side ketone tests in milk for detection of subclinical ketosis in dairy cows. (2000) (180)
Relationship between maternal plasma progesterone concentration and interferon-tau synthesis by the conceptus in cattle. (1997) (176)
Effect of treatment with progesterone on pregnancy rate and plasma concentrations of progesterone in Holstein cows. (1989) (168)
Exploring the impact of sexed semen on the structure of the dairy industry. (2008) (163)
Herd-level association of serum metabolites in the transition period with disease, milk production, and early lactation reproductive performance. (2012) (159)
Effects of postpartum uterine diseases on milk production and culling in dairy cows. (2011) (158)
Evaluation of five cowside tests for use with milk to detect subclinical ketosis in dairy cows. (1998) (154)
Efficacy and Pharmacokinetics of Bacteriophage Therapy in Treatment of Subclinical Staphylococcus aureus Mastitis in Lactating Dairy Cattle (2006) (151)
Clinical mastitis in dairy cattle in Ontario: frequency of occurrence and bacteriological isolates. (1998) (145)
Randomized clinical trial of antibiotic and prostaglandin treatments for uterine health and reproductive performance in dairy cows. (2011) (144)
Prevalence and risk factors for postpartum anovulatory condition in dairy cows. (2007) (142)
Herd- and cow-level prevalence of foot lesions in Ontario dairy cattle. (2008) (136)
Evaluation of a Brix refractometer to estimate serum immunoglobulin G concentration in neonatal dairy calves. (2014) (135)
Weaning age affects growth, feed intake, gastrointestinal development, and behavior in Holstein calves fed an elevated plane of nutrition during the preweaning stage. (2015) (132)
Passive immunity in Ontario dairy calves and investigation of its association with calf management practices. (2008) (131)
Calf-level risk factors for neonatal diarrhea and shedding of Cryptosporidium parvum in Ontario dairy calves (2007) (128)
Effect of prepartum administration of monensin in a controlled-release capsule on postpartum energy indicators in lactating dairy cows. (1998) (123)
Relationships between milk urea concentrations and nutritional management, production, and economic variables in Ontario dairy herds. (2001) (120)
The effect of prepartum injection of vitamin E on health in transition dairy cows. (2002) (110)
The impact of a monensin controlled-release capsule on subclinical ketosis in the transition dairy cow. (1999) (110)
Experimental Staphylococcus aureus intramammary challenge in late lactation dairy cows: quarter and cow effects determining the probability of infection. (1999) (109)
A quantitative approach to classifying Holstein cows based on antibody responsiveness and its relationship to peripartum mastitis occurrence. (2000) (108)
Effects of rumen-protected choline and monensin on milk production and metabolism of periparturient dairy cows. (2006) (102)
Evaluation of the California mastitis test to detect an intramammary infection with a major pathogen in early lactation dairy cows. (2003) (102)
Factors associated with milk urea concentrations in Ontario dairy cows. (2001) (101)
Distribution and characteristics of verocytotoxigenic Escherichia coli isolated from Ontario dairy cattle (1992) (98)
Newborn calf vitality: risk factors, characteristics, assessment, resulting outcomes and strategies for improvement. (2013) (96)
Bovine whey proteins inhibit the interaction of Staphylococcus aureus and bacteriophage K (2006) (96)
Reference limits for biochemical and hematological analytes of dairy cows one week before and one week after parturition. (2009) (96)
Ontario bulk milk somatic cell count reduction program: progress and outlook. (1998) (93)
Management of the dry cow in control of peripartum disease and mastitis. (2003) (93)
Prevalence of Cryptosporidium parvum infection in southwestern Ontario and its association with diarrhea in neonatal dairy calves. (2005) (93)
Molecular Typing and Distribution of Staphylococcus aureus Isolates in Eastern Canadian Dairy Herds (2004) (92)
Effect of paratuberculosis on culling, milk production, and milk quality in dairy herds. (2005) (90)
Ontario Bulk Milk Somatic Cell Count Reduction Program. 1. Impact on Somatic Cell Counts and Milk Quality (1992) (89)
The effect of respiratory disease and a preventative antibiotic treatment on growth, survival, age at first calving, and milk production of dairy heifers. (2012) (89)
Effects of prepartum intramammary antibiotic therapy on udder health, milk production, and reproductive performance in dairy heifers. (2006) (88)
The effect of meloxicam on pain sensitivity, rumination time, and clinical signs in dairy cows with endotoxin-induced clinical mastitis. (2013) (88)
Associations of housing, management, milking activity, and standing and lying behavior of dairy cows milked in automatic systems. (2013) (88)
Economics of mastitis control. (1990) (87)
Effect of milk feeding level on development of feeding behavior in dairy calves. (2013) (85)
The selective treatment of clinical mastitis based on on-farm culture results: II. Effects on lactation performance, including clinical mastitis recurrence, somatic cell count, milk production, and cow survival. (2011) (85)
Incidence rate of pathogen-specific clinical mastitis on conventional and organic Canadian dairy farms. (2016) (84)
Monitoring for Subclinical Ketosis in Dairy Herds (2001) (81)
Efficacy of intramammary tilmicosin and risk factors for cure of Staphylococcus aureus infection in the dry period. (2003) (80)
A meta-analysis review of the effects of recombinant bovine somatotropin. 2. Effects on animal health, reproductive performance, and culling. (2003) (79)
Assessment and management of pain in dairy cows with clinical mastitis. (2012) (78)
Metabolic aspects in the etiology of displaced abomasum. (2000) (78)
Genetic impact on the risk of intramammary infection following Staphylococcus aureus challenge. (1994) (74)
Reproductive performance in dairy cows following postpartum treatment with gonadotrophin releasing hormone and/or prostaglandin: a field trial. (1984) (73)
Effect of a monensin-controlled release capsule on cow health and reproductive performance. (1999) (73)
Association between management practices and within-herd prevalence of Cryptosporidium parvum shedding on dairy farms in southern Ontario (2007) (72)
Effects of progesterone and human chorionic gonadotrophin administration five days postinsemination on plasma and milk concentrations of progesterone and pregnancy rates of normal and repeat breeder dairy cows. (1990) (70)
Invited review: Cessation of lactation: Effects on animal welfare. (2015) (70)
A meta-analysis review of the effects of recombinant bovine somatotropin. 1. Methodology and effects on production. (2003) (67)
Associations of dairy cow behavior, barn hygiene, cow hygiene, and risk of elevated somatic cell count. (2012) (67)
Effect of halofuginone lactate on the occurrence of Cryptosporidium parvum and growth of neonatal dairy calves. (2005) (66)
Peripartal changes in plasma progesterone and 15-keto-13,14-dihydro-prostaglandin F2α concentrations in Holstein cows with or without retained foetal membranes (1984) (65)
Obesity in rhesus and cynomolgus macaques: a comparative review of the condition and its implications for research. (2011) (65)
Herd-level risk factors for seven different foot lesions in Ontario Holstein cattle housed in tie stalls or free stalls. (2009) (65)
Risk factors and effects of postpartum anovulation in dairy cows. (2012) (64)
Effect of prepartum administration of monensin in a controlled-release capsule on milk production and milk components in early lactation. (1999) (63)
Thoracic Ultrasonography and Bronchoalveolar Lavage Fluid Analysis in Holstein Calves with Subclinical Lung Lesions (2015) (61)
Evaluation of bovine cutaneous delayed-type hypersensitivity (DTH) to various test antigens and a mitogen using several adjuvants. (2005) (61)
A comparison of serum harvesting methods and type of refractometer for determining total solids to estimate failure of passive transfer in calves. (2006) (61)
The efficacy of intramammary tilmicosin at drying-off, and other risk factors for the prevention of new intramammary infections during the dry period. (2002) (60)
Evaluation of prepartum serum cholesterol and fatty acids concentrations as predictors of postpartum retention of the placenta in dairy cows. (2009) (60)
Associations of the bovine major histocompatibility complex DRB3 (BoLA-DRB3) with production traits in Canadian dairy cattle. (1999) (59)
An evaluation of milk ketone tests for the prediction of left displaced abomasum in dairy cows. (1997) (59)
The use of negative binomial modelling in a longitudinal study of gastrointestinal parasite burdens in Canadian dairy cows. (2002) (59)
Evaluation of the repeatability of a crude adult indirect Ostertagia ostertagi ELISA and methods of expressing test results. (2002) (58)
Evaluation of enzyme-linked immunosorbent assays performed on milk and serum samples for detection of paratuberculosis in lactating dairy cows. (2005) (58)
The effect of sampling time and sample handling on the detection of Staphylococcus aureus in milk from quarters with subclinical mastitis. (2002) (57)
Milk urea testing as a tool to monitor reproductive performance in Ontario dairy herds. (2001) (56)
Neospora caninum serostatus and milk production of Holstein cattle. (2002) (55)
A longitudinal study of gastrointestinal parasites in Canadian dairy farms. The value of an indirect Ostertagia ostertagi ELISA as a monitoring tool. (2002) (54)
The events of normal and abnormal postpartum reproductive endocrinology and uterine involution in dairy cows: a review. (1983) (54)
Characterization of bacterial populations recovered from the teat canals of lactating dairy and beef cattle by 16S rRNA gene sequence analysis. (2006) (54)
Short communication: The effects of experimentally induced Escherichia coli clinical mastitis on lying behavior of dairy cows. (2012) (53)
The effects of viral vaccination of dairy heifer calves on the incidence of respiratory disease, mortality, and growth. (2012) (53)
Test characteristics from latent-class models of the California Mastitis Test. (2006) (53)
Diagnosing intramammary infections: comparison of multiple versus single quarter milk samples for the identification of intramammary infections in lactating dairy cows. (2011) (53)
The relationship between herd level disease incidence and a return over feed index in Ontario dairy herds. (2006) (52)
The effects of experimentally induced Escherichia coli mastitis and flunixin meglumine administration on activity measures, feed intake, and milk parameters. (2012) (52)
Efficacy of halofuginone lactate in the prevention of cryptosporidiosis in dairy calves (2011) (52)
An evaluation of two indirect methods of estimating body weight in Holstein calves and heifers. (2006) (52)
Reproductive Performance of Lactating Holstein Cows Fed Supplemental β-Carotene (1986) (49)
Risk factors associated with Neospora caninum abortion in Ontario Holstein dairy herds. (2005) (49)
Milk antibodies against Ostertagia ostertagi: relationships with milk IgG and production parameters in lactating dairy cattle. (2004) (49)
Gradual cessation of milking reduces milk leakage and motivation to be milked in dairy cows at dry-off. (2013) (48)
Nonsteroidal anti-inflammatory drug therapy for neonatal calf diarrhea complex: Effects on calf performance1 (2010) (48)
The effect of treatment with long-acting antibiotic at postweaning movement on respiratory disease and on growth in commercial dairy calves. (2010) (48)
Effects of meloxicam on milk production, behavior, and feed intake in dairy cows following assisted calving. (2013) (48)
Association of standing and lying behavior patterns and incidence of intramammary infection in dairy cows milked with an automatic milking system. (2011) (48)
Analysis of survivorship after displaced abomasum is diagnosed in dairy cows. (1998) (48)
Plasma concentrations of luteinizing hormone and progesterone during superovulation of dairy cows using follicle stimulating hormone or pregnant mare serum gonadotrophin. (1986) (47)
The effect of lung consolidation, as determined by ultrasonography, on first-lactation milk production in Holstein dairy calves. (2018) (47)
Plasma progesterone concentrations in dairy cows with cystic ovaries and clinical responses following treatment with fenprostalene. (1983) (46)
Evaluation of aspartate transaminase activity and beta-hydroxybutyrate concentration in blood as tests for prediction of left displaced abomasum in dairy cows. (1997) (46)
Reproductive performance with an automated activity monitoring system versus a synchronized breeding program. (2012) (46)
The association between foot lesions and culling risk in Ontario Holstein cows. (2009) (46)
DECIDING TO DRY-OFF: DOES LEVEL OF PRODUCTION MATTER? (2001) (45)
An analysis of the relationship between bulk tank milk quality and wash water quality on dairy farms in Ontario, Canada. (2009) (44)
The association between selected metabolic parameters and left abomasal displacement in dairy cows. (1998) (44)
Assessment of bovine mammary chemokine gene expression in response to lipopolysaccharide, lipotechoic acid + peptidoglycan, and CpG oligodeoxynucleotide 2135. (2009) (43)
Effect of monensin delivery method on dry matter intake, body condition score, and metabolic parameters in transition dairy cows. (2007) (43)
Effect of early exposure to different feed presentations on feed sorting of dairy calves. (2013) (42)
The effects of periparturient administration of flunixin meglumine on the health and production of dairy cattle. (2017) (42)
THE INFLUENCE OF NEGATIVE ENERGY BALANCE ON UDDER HEALTH (2000) (41)
The effect of dystocia on physiological and behavioral characteristics related to vitality and passive transfer of immunoglobulins in newborn Holstein calves. (2015) (40)
Relationship between in vitro susceptibility test results and treatment outcomes for gram-positive mastitis pathogens following treatment with cephapirin sodium. (2009) (40)
Progesterone profiles in postpartum Holstein dairy cows as an aid in the study of retained fetal membranes, pyometra and anestrus. (1991) (40)
Accuracy of rectal palpation and of a rapid milk progesterone enzyme-immunoassay for determining the presence of a functional corpus luteum in subestrous dairy cows. (1991) (38)
Timing of the onset and duration of ovulation in superovulated beef heifers. (1986) (38)
The prevalence of milk and serum antibodies to Mycobacterium avium subspecies paratuberculosis in dairy herds in Ontario. (2005) (37)
Herd characteristics and cow-level factors associated with Prototheca mastitis on dairy farms in Ontario, Canada. (2012) (36)
Associations of serum haptoglobin in newborn dairy calves with health, growth, and mortality up to 4 months of age. (2014) (36)
Effect of feed delivery method on the behavior and growth of dairy heifers. (2010) (36)
Associations of herd- and cow-level factors, cow lying behavior, and risk of elevated somatic cell count in free-stall housed lactating dairy cows. (2013) (35)
Efficacy of monensin sodium for the reduction of fecal shedding of Mycobacterium avium subsp. paratuberculosis in infected dairy cattle. (2005) (35)
Measures of estrus detection and pregnancy in dairy cows after administration of gonadotropin-releasing hormone within an estrus synchronization program based on prostaglandin F2 alpha. (1998) (33)
Analytic validation of an infrared milk urea assay and effects of sample acquisition factors on milk urea results. (2000) (33)
Technical note: validation of data loggers for recording lying behavior in dairy goats. (2015) (32)
Efficacy of using an internal teat sealer to prevent new intramammary infections in nonlactating dairy cattle. (2006) (32)
Short communication: use of a mechanical brush by Holstein dairy cattle around parturition. (2013) (30)
Studying the relationship between on-farm environmental conditions and local meteorological station data during the summer. (2016) (30)
An Update on the Effect of Clinical Mastitis on the Welfare of Dairy Cows and Potential Therapies. (2018) (30)
Risk factors for bovine infection with verocytotoxigenic Escherichia coli in Ontario, Canada (1993) (30)
The use of an indirect Ostertagia ostertagi ELISA to predict milk production response after anthelmintic treatment in confined and semi-confined dairy herds. (2005) (30)
Somatic cell scores and clinical signs following experimental intramammary infection of dairy cows with a Staphylococcus aureus small colony variant (S. aureus SCV) in comparison to other bovine strains. (2009) (30)
Effects of tulathromycin on incidence of various diseases and growth of young heifers. (2013) (29)
Dynamics and regulation of bulk milk somatic cell counts. (1993) (29)
Ontario Bulk Milk Somatic Cell Count Reduction Program. 2. Dynamics of Bulk Milk Somatic Cell Counts (1992) (29)
Safety of a progesterone-releasing intravaginal device as assessed from vaginal mucosal integrity and indicators of systemic inflammation in postpartum dairy cows. (2008) (29)
Differences in bovine lymphocyte antigen associations between immune responsiveness and risk of disease following intramammary infection with Staphylococcus aureus. (1995) (28)
Validation of a calf-side β-hydroxybutyrate test and its utility for estimation of starter intake in dairy calves around weaning. (2016) (28)
Effect of supplementing glucose in drinking water on the energy and nitrogen status of the transition dairy cow (2002) (28)
Adherence and efficacy of an external teat sealant to prevent new intramammary infections in the dry period. (2007) (28)
Effects of tail docking using a rubber ring with or without anesthetic on behavior and production of lactating cows. (2002) (28)
Multiattribute evaluation of two simple tests for the detection of Cryptosporidium parvum in calf faeces (2005) (27)
Economic consequences of mastitis (2005) (26)
Meloxicam administration either prior to or after parturition: Effects on behavior, health, and production in dairy cows. (2018) (26)
Clinical trial on the effects of a free-access acidified milk replacer feeding program on the health and growth of dairy replacement heifers and veal calves (2016) (26)
The effect of administering ketoprofen on the physiology and behavior of dairy cows following surgery to correct a left displaced abomasum. (2013) (26)
Influence of the genotype of Staphylococcus aureus, determined by pulsed-field gel electrophoresis, on dry-period elimination of subclinical mastitis in Canadian dairy herds. (2006) (26)
Effect of isoflupredone acetate with or without insulin on energy metabolism, reproduction, milk production, and health in dairy cows in early lactation. (2007) (26)
Effect of eprinomectin treatment at calving on milk production in dairy herds with limited outdoor exposure. (2005) (25)
Production and related variables in bovine leukaemia virus-infected cows (2004) (25)
Short communication: presynchronization using a single injection of PGF2alpha before synchronized ovulation and first timed artificial insemination in dairy cows. (2003) (24)
The relationship between milk production and antibody response to ovalbumin during the peripartum period. (2003) (23)
Synchronization of estrus and pregnancy risk in anestrous dairy cows after treatment with a progesterone-releasing intravaginal device. (2007) (22)
Associations of cow-level factors, frequency of feed delivery, and standing and lying behaviour of dairy cows milked in an automatic system (2013) (22)
The impact of controlled release capsules of monensin on postcalving haptoglobin concentrations in dairy cattle. (2005) (22)
Association of bovine respiratory disease or vaccination with serologic response in dairy heifer calves up to three months of age. (2015) (22)
Antibody and cell-mediated immune responses to Staphylococcus aureus small colony variants and their parental strains associated with bovine mastitis. (2010) (22)
An evaluation of protein/fat ratio in first DHI test milk for prediction of subsequent displaced abomasum in dairy cows. (1998) (21)
Fat/protein ratio in first DHI test milk as test for displaced abomasum in dairy cows. (1997) (20)
The effect of a progesterone releasing intravaginal device (PRID) on pregnancy risk to fixed-time insemination following diagnosis of non-pregnancy in dairy cows. (2007) (20)
Short communication: Effect of sampling time relative to the first daily feeding on interpretation of serum fatty acid and beta-hydroxybutyrate concentrations in dairy cattle. (2010) (20)
Changes in lying behavior after abrupt cessation of milking and regrouping at dry-off in freestall-housed cows: A case study (2014) (20)
Effect of presynchronization using prostaglandin F2alpha and a milk-ejection test on pregnancy rate after the timed artificial insemination protocol, Ovsynch. (2005) (20)
Effect of feed presentation on feeding patterns of dairy calves. (2013) (19)
Competition during the milk-feeding stage influences the development of feeding behavior of pair-housed dairy calves. (2014) (19)
A case-control study of selected pathogens including verocytotoxigenic Escherichia coli in calf diarrhea on an Ontario veal farm. (1992) (18)
Effects of gonadotrophin releasing hormone on reproductive performance of dairy cows with retained placenta. (1984) (17)
Factors associated with the risk of antibiotic residues and intramammary pathogen presence in milk from heifers administered prepartum intramammary antibiotic therapy. (2009) (17)
Monensin might protect Ontario, Canada dairy cows from paratuberculosis milk-ELISA positivity. (2006) (17)
Observations on intramammary infections in first calf heifers in early lactation. (1986) (16)
In vitro exposure of bovine morulae to Ureaplasma diversum. (1986) (16)
The Effect of Meloxicam NSAID Therapy on the Change in Vigor, Suckling Reflex, Blood Gas Measures, Milk Intake and Other Variables in Newborn Dairy Calves (2016) (15)
Ovarian follicular activity in lactating Holstein cows supplemented with monensin. (2003) (15)
Ketonemia in dairy goats: effect of dry period length and effect on lying behavior. (2015) (14)
Exploring the characteristics and dynamics of Ontario dairy herds experiencing increases in bulk milk somatic cell count during the summer. (2015) (14)
Validation of a New Pedometry System for Use in Behavioural Research and Lameness Detection in Dairy Cattle (2010) (14)
Field trial to evaluate the effect of an intranasal respiratory vaccine protocol on calf health, ultrasonographic lung consolidation, and growth in Holstein dairy calves. (2018) (14)
Culture of bulk tank milk as a mastitis screening test: A brief review. (1993) (13)
Effects of milk replacer acidification and free-access feeding on early life feeding, oral, and lying behavior of dairy calves. (2018) (13)
Monitoring and Managing Energy Balance in the Transition Dairy Cow (2004) (13)
Association between selected metabolic parameters and left displaced abomasum in dairy cows (1999) (12)
Haemophilus somnus: investigations of its potential role in bovine mastitis. (1985) (12)
Survey of prevalence of overweight body condition in laboratory-housed cynomolgus macaques (Macaca fascicularis). (2010) (12)
Effect of eprinomectin pour-on treatment around calving on reproduction parameters in adult dairy cows with limited outdoor exposure. (2006) (12)
Trends in milk component production in dairy herds in Ontario: 1985–1994 (1998) (12)
Herd management factors that affect duration and variation of adherence of an external teat sealant. (2007) (11)
Reproductive performance of Ontario beef breeding herds (1994) (11)
The effects of gonadotrophin releasing hormone administration four days after insemination on first-service conception rates and corpus luteum function in dairy cows. (1986) (11)
Short communication: experimentally induced mastitis reduces weight shifting between the rear legs while standing in dairy cows. (2013) (11)
Short communication: a comparison of 2 nonsteroidal antiinflammatory drugs following the first stage of a 2-stage fistulation surgery in dry dairy cows. (2013) (11)
Practical Methods for Mastitis Control (2013) (11)
Associations between winter herd management factors and milk protein yield in Ontario dairy herds. (1997) (11)
Reproductive performance of lactating Holstein cows fed supplemental beta-carotene. (1986) (10)
Feed delivery method affects the learning of feeding and competitive behavior in dairy heifers. (2010) (10)
Effects of a core antigen vaccine against gram-negative bacteria on physiologic and yield parameters of dairy cows during late lactation and the dry period. (1998) (9)
Field study to evaluate the effects of meloxicam NSAID therapy and calving assistance on newborn calf vigor, improvement of health and growth in pre-weaned Holstein calves (2015) (9)
A Field Trial of a Pilated Moraxella bovis Bacterin for the Prevention of Infectious Bovine Keratoconjunctivitis. (1986) (9)
The timing of the preovulatory surge of LH and embryo production in superovulated cows (1983) (9)
Efficacy of two hydrogen peroxide teat disinfectants against Staphylococcus aureus and Streptococcus agalactiae. (2006) (9)
The association of herd milk production and management with a return-over-feed index in Ontario dairy herds. (2005) (9)
Evaluation of return to estrus in superovulated dairy heifers following prostaglandin treatment (1989) (9)
Investigating potential risk factors for seasonal variation: an example using graphical and spectral analysis methods based on the production of milk components in dairy cattle. (1998) (8)
Monitoring and Controlling Mastitis on Ontario Dairy Farms (1991) (8)
Efficacy of an iodophore teat disinfectant against Staphylococcus aureus and Streptococcus agalactiae in experimental challenge. (2005) (8)
The association between first DHI milk-test parameters and subsequent displaced abomasum diagnosis in dairy cows. (1999) (8)
An investigation of the effects of ketoprofen following rumen fistulation surgery in lactating dairy cows. (2014) (8)
Reproductive performance of postpartum dairy cows under a highly intervenient breeding program involving timed insemination and combinations of GnRH, prostaglandin F2alpha and human chorionic gonadotropin. (2001) (7)
ASSOCIATIONS BETWEEN CLINICAL MASTITIS AND PREGNANCY ON ONTARIO DAIRY FARMS (2001) (7)
The effects of gonadotrophin releasing hormone administration in early postpartum dairy cows on hormone concentrations, ovarian activity and reproductive performance: a review. (1983) (7)
Relationship between postmilking standing duration and risk of intramammary infection in freestall-housed dairy cows milked 3 times per day. (2014) (7)
Management Risk Factors Associated with Stillbirth (2007) (7)
On-Farm Culturing for Better Milk Quality (2009) (7)
Observations on intramammary infection and somatic cell counts in cows treated with recombinant bovine somatotropin. (1991) (7)
Evaluation of Keto-Test in Urine and Milk for the Detection of Subclinical Ketosis in Periparturient Holstein Dairy Cattle (2002) (7)
Verminous Pneumonia in Adult Dairy Cows in Southern Ontario due to Dictyocaulus viviparus. (1986) (7)
Implementation and use of a microcomputer-based management information system to monitor dairy herd performance. (1992) (6)
Workshop: genetic improvement of resistance to mastitis of dairy cattle with special emphasis on somatic cell count. (1994) (6)
Evaluation of a treatment protocol for intramammary infections in early postpartum dairy cows based on a positive California Mastitis Test result (2004) (6)
Objective structured clinical examinations (OSCEs) as a summative evaluation tool in a ruminant health management rotation for final-year DVM students. (2008) (6)
Macrophage-lymphocyte cytokine interactions in silicosis. (1996) (6)
Milk Replacer Acidification for Free-Access Feeding: Effects on the Performance and Health of Veal Calves (2016) (6)
Preliminary investigation of teat cleaning procedures in a robotic milking system. (2002) (5)
Research and Teaching of Dairy Cattle Well Being: Finding Synergy Between Ethology and Epidemiology (2009) (5)
Causes of obesity in captive cynomolgus macaques: influence of body condition, social and management factors on behaviour around feeding (2012) (5)
Decision-making in clinical mastitis therapy programmes (1998) (5)
Freezing Point of Bulk Milk in Ontario - An Observational Study. (1992) (5)
Health and Immune Function of Dairy Calves (2012) (5)
Relationship between Serum Total Protein and Serum IgG in Holstein Calves Fed Either a Lacteal- or Plasma-derived Colostrum Replacer (2010) (5)
Test Comparison of Precision Xtra® and Ketostix® for Ketosis in Dairy Cows (2008) (5)
An Evaluation of The Portascc® Test As A Measure of Udder Health Status Dairy Cows (An Excerpt From A Technical Report)* (2011) (4)
Evaluation of the Test Characteristics of the HyMast® Bacteriological Test System (2020) (4)
Ovarian function in Holstein cows immunized against pregnant mare serum gonadotrophin. (1986) (4)
Evaluation of the Petrifilm™ Culture System for the Identification of Mastitis Bacteria as Compared to Standard Bacteriological Methods (2005) (4)
Investigation of weaning strategy and solid feed location for dairy calves individually fed with an automated milk feeding system. (2020) (4)
Association of Cow and Quarter Level Factors at Dry Off and New Intramammary Infections in the Dry Period (2002) (3)
Efficacy of the selective treatment of clinical mastitis based on on-farm culture results (2011) (3)
Effect of Using an On-Farm Culture-Based Treatment System on Antibiotic Use and Bacteriological Cure for Clinical Mastitis (2008) (3)
Does monitoring for ketosis in dairy herds pay (2000) (3)
Keeping your calves healthy (2007) (3)
Effects of Free-Access Feeding and Milk Replacer Acidification on Calf Performance and Development of Digestive Anatomy (2010) (3)
Associations between individual cow factors and milk-protein production. (1998) (3)
Attitudes and expectations of producers to the use of a microcomputer-based management information system to monitor dairy herd performance. (1992) (3)
Evaluation of the California Mastitis Test to Determine Udder Health Status of Early Lactation Dairy Cows (2002) (3)
NEW CONCEPTS ON BOVINE MASTITIS CONTROL (2004) (3)
Mastitis in bulk tank milk culture in Ontario. (1990) (3)
Effect of feeding method on the behavior and growth of dairy heifers. (2010) (3)
Survey of Selected Risk Factors and Therapeutic Strategies for Parasitism on Milk Production Response of Lactating Dairy Cattle (2019) (3)
Understanding the Lying Behaviour Patterns of Cows Milked In Automated Systems (2010) (2)
Nonsteroidal anti-inflammatory drug therapy for neonatal calf diarrhea complex : Effects on calf performance 1 (2010) (2)
Association of cow and quarter-level factors at a dry off and new intramammary infections in the dry period (2002) (2)
Biosecurity Practices to Limit Spread of Staphylococcus aureus on Ontario Sentinel Dairy Farms (1999) (2)
Short Communication: Automated assessment of the effect of flunixin meglumine on rumination in dairy cows with endotoxin-induced mastitis (2013) (2)
Prevention and Prediction of Displaced Abomasum in Dairy Cows (1999) (2)
Characterizing the attitudes and motivations of Ontario dairy producers toward udder health. (2020) (2)
The Effect of Respiratory Disease on Lying Behavior in Holstein Dairy Calves (2014) (2)
Associations between milk-protein production and reproduction, health, and culling. (1998) (2)
Validation of the Minnesota Easy Culture System II (2006) (2)
Performance of a milk leukocyte differential test for decision-making in a selective dry cow therapy program (2019) (1)
Prevention of Infectious Bovine Keratoconjunctivitis (2006) (1)
Prepartum intramammary antibiotic therapy: effect on risk of antibiotic residues in milk from dairy heifers. (2005) (1)
Relationship between maternal plasma progesterone and interferon tau synthesis by the conceptus in cattle (1994) (1)
Assessment of antimicrobial transfer from treated to untreated mammary gland quarters by use of high-pressure liquid chromatography for detection of cloxacillin in milk samples from nonlactating dairy cows. (2006) (1)
Prepartum intramammary antibiotic therapy: effects on udder health, milk production, and reproductive performance in dairy heifers. (2005) (1)
The sensitivity and specificity of postbreeding plasma progesterone levels as a pregnancy test for dairy cows. (1985) (1)
An Evaluation of the Effects of Low, Average, and High Postweaning Weight Gains on Short-Term Behavior and Future Growth of Dairy Calves (2009) (1)
Development of a newborn calf vigor scoring system (2018) (1)
Acclimation to salinity and survival of Lahontan cutthroat trout Oncorhynchus clarki henshawi (2009) (1)
Importance of Teat Canal Closure and Other Risk Factors On Dry Period Intramammary Infections (2003) (1)
Bulk tank culturing can monitor Streptococcus agalactiae mastitis. (1990) (1)
Risk Factors, Impacts, and Therapy for Endometritis in Dairy Cows (2010) (1)
Efficacy of Two Fresh Cow Subclinical Mastitis Treatment Programs on Antibiotic Use, Days out of Tank, Bacteriological Cure, Clinical Mastitis, Somatic Cell Count, Milk Yield, Reproduction, and Culling (2009) (1)
Promoting judicious antibiotic use: On-farm culture-based treatment strategies (2011) (1)
Analysis of the Relationship between Wash Water Quality and Bulk Tank Milk Quality on Ontario Dairy Farms (2007) (1)
Serum non-esterified fatty acid and beta-hydroxybutyrate in the transition period and their associations with disease in dairy cows. (2008) (1)
Impact of a progesterone-releasing intravaginal device on plasma progesterone levels in lactating dairy cattle (2006) (1)
Why wild-caught striped mice seldom stereotype (1)
Effect of administration of recombinant bovine somatotropin on health and performance of lactating dairy cows diagnosed with hyperketonemia. (2015) (1)
Milks from cloned cows : rennet coagulation properties of five clones over a single lactation cycle (2002) (0)
Use of an ELISA against Ostertagia ostertagi to monitor parasite burdens in lactating dairy cattle (2000) (0)
Reproductive endocrinology of the cow: Part 1 (1988) (0)
Risk Factors for Johne's Disease in Ontario Dairy Herds (2004) (0)
Animal Behavior and Well-Being Platform Session : Assessment of Affective States of Dairy Cattle (2018) (0)
BehaviOr and well-Being i 0032 Associations between bovine respiratory disease complex and the probability and latency of group-reared neonatal dairy calves to approach a novel object or stationary person (2014) (0)
Ketosis – Managable by breeding strategies ? (2009) (0)
ADSA Graduate Paper Competition-Production Division-PhD Students (2011) (0)
Animal Health III (2011) (0)
The influence of the monensin controlled-release capsule on the occurrence of subclinical ketosis, in lactating dairy cows (1997) (0)
Animal Health V (2008) (0)
Programmed cell death-1 molecule expression by feline dendritic cells as a potential mechanism of immunosuppression during FIV infection (2008) (0)
Evaluation of a Rapid Test for NEFA in Bovine Serum (2004) (0)
Coinparative Efficacy of a Novel Intrainaininary Dry Cow Antibiotic to Eliininate Subclinical Mastitis in the Dry Period (2019) (0)
Jejuna! Hemorrhage Syndrome of Dairy Cattle (2019) (0)
Association between Serum Total Protein and Immunoglobulin G Measures in Calves Fed a Whole Colostrum Derived Colostrum Replacer (2009) (0)
Controlled breeding of dairy heifers (1986) (0)
Ensuring the health and welfare of dairy calves and heifers (2017) (0)
Pharmacokinetics of Parenteral Vitamin E in Peripartum Dairy Cows (2004) (0)
Risk Factors and Impacts of Retained Placenta and Metritis in Dairy Cows (2010) (0)
Do therapeutic hoof blocks alter dairy cattle behaviour ? (2011) (0)
Lameness Scoring in Dairy Cattle (2006) (0)
Efﬁcacy and Pharmacokinetics of Bacteriophage Therapy in Treatment of Subclinical Staphylococcus aureus Mastitis in Lactating Dairy Cattle† (2006) (0)
Comparison of Feeding Lacteal- and Plasma-derived Commercial Colostrum Replacers on Fecal Scores and Pathogen Shedding in Heifer Dairy Calves (2010) (0)
Randomized Clinical Field Trial of the Effect of Preweaning Viral Vaccination on the Incidence of Respiratory Disease in Dairy Heifer Calves Up to Four Months of Age (2018) (0)
Factors affecting pregnancy rate following non-surgical transfer of frozen bovine embryos (1987) (0)
Comparative efficacy of a novel intramammary dry cow antibiotic to eliminate subclinical mastitis in the dry period (2003) (0)
Forage concentration and dried distillers grains with solubles in diets for lactating dairy cows (2010) (0)
Evaluation of Techniques for Diagnosis of Endometritis in Dairy Cows (2009) (0)
Prevalence, Etiology and Self Cure Rates of Subclinical Intramammary Infections in Fresh Cows (2007) (0)
Multiattribute Evaluation of Two Simple Tests for the Detection of Cryptosporidium parvum Oocysts in Calf Feces (2005) (0)
Serum Fatty Acid and 3-hydroxybutyrate Concentrations Depend on the Sample Time Related to the First Feed Intake in Dairy Cows (2020) (0)
Impact of milk production and important management factors on the process of dry-off in lactating dairy cows (2001) (0)
Single-drug and Multi-drug Resistance Exhibited by Gram-positive Mastitis Pathogens (2009) (0)
Program: An Evaluation of a Ad Libitum Acidified Milk-Feeding Program on the Growth, Development and General Health of Dairy Calves. (2008) (0)
Prediction of degree of mastitis from repeated measurements of lactate dehydrogenase ( LDH ) in milk (2007) (0)
Weaning age impacts growth , feed intake , and behavioral indicators of stress in Holstein calves fed a high plane of nutrition (2014) (0)
Animal Health: Dairy II (2011) (0)
Ontario Veal Farm (2005) (0)
Impact of Two Coliform Mastitis Immunization Schedules on Immune Response, Milk Yield, Intramammary Infection and Dry Matter Feed Intake in Holstein Dairy Cattle (2003) (0)
Production, Management & the Environment - Livestock and Poultry II (2007) (0)
Association between genotype of Staphylococcus aureus, recovered at the end of lactation, and cure of the organism in the dry period. (2005) (0)
Assessment of selenium supplementation by systemic injection at birth on pre-weaning calf health (2019) (0)
Ongoing Study: Use of an On-Farm Culture System for the Strategic Treatment of Clinical and Subclinical Intramammary Infections. (2005) (0)
Selected highlights from other journals (2013) (0)
Ruminant Nutrition: Dairy: Calves (2009) (0)
Efficacy of an Internal Teat Sealant, Orbeseal, for Reduction of Clinical Mastitis during the First 60 Days Post-partum (2004) (0)
OUR INDUSTRY TODAY Economics of Mastitis Control (1990) (0)
Prevalence, Risk Factors and Treatment of Postpartum Anestrus in Dairy Cattle (2005) (0)
Efficacy of an internal teat sealer used in conjunction with intramammary antibiotics on the cure of intramammary infections during the dry period (2006) (0)
Impact of Milk Temperature Monitoring on Milk Quality on Ontario Dairy Farms (2007) (0)
Cryptosporidiosis in dairy calves: risk factors, diagnosis, and zoonotic potential. (2007) (0)
Field Trial of Intrauterine Antibiotic or Prostaglandin for Treatment of Clinical Endometritis in Dairy Cows (2001) (0)
KEY FACTS Monitoring for Subclinical Ketosis in Dairy Herds (2005) (0)
Behavioural Changes of Dairy Cows During Drying-Off Using Abrupt Cessation of Milking (2010) (0)
Voluntary intake and feeding preferences of dairy cattle for Chicory ( Chichorium intibus ) and Birdsfoot trefoil ( Lotus corniculatus ) as related to harvest time (2013) (0)
Production , Management and the Environment : General (2009) (0)
Comparison of thoracic ultrasonography with analysis of bronchoalveolar lavage fluid for the diagnosis of subclinical bronchopneumonia in dairy calves (2013) (0)
Accelerometer use for detection of hoof lesions and lameness (2013) (0)
Animal Health: Mastitis, Lameness, and Stress (2009) (0)

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What Schools Are Affiliated With Kenneth E. Leslie?

Kenneth E. Leslie is affiliated with the following schools:

University of Guelph