Trevor Raymond Morris
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Trevor Raymond Morris's AcademicInfluence.com Rankings
Trevor Raymond Morrisbiology Degrees
Biology
#12511
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#15992
Historical Rank
Botany
#422
World Rank
#1271
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Biology
Trevor Raymond Morris's Degrees
- PhD Animal Science University of California, Davis
- Masters Animal Science University of California, Davis
- Bachelors Animal Science University of California, Davis
Why Is Trevor Raymond Morris Influential?
(Suggest an Edit or Addition)Trevor Raymond Morris'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
- Experimental Design and Analysis in Animal Sciences (1999) (178)
- A model for the description and prediction of the response of laying hens to amino acid intake. (1973) (171)
- Poultry and coloured light (2000) (160)
- The determination of the methionine requirement of laying pullets by a diet dilution technique. (1970) (136)
- Effects of protein concentration on responses to dietary lysine by chicks. (1987) (113)
- The effects of ahemeral light and dark cycles on egg production in the fowl. (1973) (110)
- Evaluation of a diet dilution technique for measuring the response of broiler chickens to increasing concentrations of lysine. (1985) (107)
- A quantitative analysis of the literature concerning the restricted feeding of growing pullets (1971) (98)
- Nutritional interventions in alleviating the effects of high temperatures in broiler production (2005) (93)
- Responses of domestic poultry to various light sources (1998) (90)
- The effect of dietary energy level on the voluntary calorie intake of laying birds (1968) (89)
- Comparison of lysine requirements amongst eight stocks of laying fowl. (1974) (76)
- An analysis of the hypothesis that amino acid requirements for chicks should be stated as a proportion of dietary protein (1999) (75)
- Quantitative review of the effects of environmental temperature on food intake, egg output and energy balance in laying pullets. (1987) (70)
- Domestic Duck Production: Science and Practice (2008) (66)
- Energy requirements of poultry (1974) (65)
- Effect of size and timing of photoperiod increase on age at first egg and subsequent performance of two breeds of laying hen. (1997) (62)
- Food intake regulation in poultry (1980) (56)
- Partitioning of the response to protein between egg number and egg weight. (1988) (54)
- The induction of ovulation in starving pullets using mammalian and avian gonadotropins. (1961) (54)
- Quantitative review of optimum amino acid intakes for young laying pullets. (1985) (52)
- Effect of dietary energy concentration on the response of laying hens to amino acids. (1987) (51)
- Compensatory growth in turkeys: effect of undernutrition on subsequent protein requirements. (1971) (51)
- Note on the effects of protein concentration on responses to dietary lysine by chicks. (1990) (50)
- Effects of age on the tryptophan requirement of laying hens. (1978) (46)
- Compensatory growth after under-nutrition in market turkeys: effect of low protein feeding and realimentation on body composition. (1971) (45)
- The time factor in egg formation for hens exposed to ahemeral light-dark cycles. (1973) (45)
- Effects of constant environmental temperatures on the performance of laying pullets. (1987) (45)
- Protein requirement of fast- and slow-growing chicks. (1990) (44)
- Effect of light, vitamin d and dietary phosphorus on egg‐shell quality late in the pullet laying year (1979) (44)
- Light and Sexual Maturity in the Domestic Fowl (1958) (43)
- Effects of dietary protein concentration on the response of growing chicks to methionine. (1992) (42)
- A model for predicting the age at sexual maturity for growing pullets of layer strains given a single change in photoperiod (2002) (41)
- 1 – THE INTERPRETATION OF RESPONSE DATA FROM ANIMAL FEEDING TRIALS (1989) (41)
- The effect of pituitary hormones on ovulation in calcium-deficient pullets. (1962) (41)
- Response of broiler chickens to well‐balanced protein mixtures (1982) (41)
- The use of lights to delay sexual maturity in pullets (1960) (39)
- Light intensity and performance of domestic pullets (1999) (38)
- The tryptophan requirements of young laying pullets. (1978) (38)
- Restricted feeding of broiler breeder pullets during the rearing period and its effect on productivity and breeding (1971) (35)
- A model for the effect of constant photoperiods on the rate of sexual maturation in pullets. (1998) (35)
- Effects of protein concentration on responses to dietary tryptophan by chicks. (1990) (34)
- The effect of diet and copper supplementation on chick growth. (1970) (34)
- The effect of light intensity on growing and laying pullets. (1967) (33)
- Entrainment of oviposition in the fowl using light-dark cycles. (1978) (32)
- Compensatory growth after under-nutrition in market turkeys. (1969) (32)
- Environmental control for layers (2004) (32)
- Effect of constant and of changing photoperiod on plasma LH and FSH concentrations and age at first egg in layer strains of domestic pullets. (1998) (31)
- The effect of feeding high levels of low-quality proteins to growing chickens (1975) (30)
- 2 – THE INTERPRETATION OF RESPONSE DATA FROM ANIMAL FEEDING TRIALS (1983) (30)
- The shape of the response curve relating protein intake to egg output for flocks of laying hens (1982) (29)
- Nutrition of chicks and layers (2004) (28)
- Protein and energy restriction for replacement pullets (1963) (28)
- Light intensity and age at first egg in pullets. (1999) (27)
- Entrainment of oviposition in the fowl using bright and dim light cycles. (1978) (27)
- Artificial Light and Sexual Maturity in the Fowl (1958) (26)
- Model to predict age at sexual maturity in broiler breeders given a single increment in photoperiod (2007) (25)
- Basic concepts describing animal growth and feed intake. (2006) (25)
- The effect of maize and maize oil on egg weight (1967) (25)
- A test for photorefractoriness in high-producing stocks of laying pullets. (1995) (25)
- Experiments with the Cornell intermittent lighting system for laying hens. (1988) (24)
- The photoperiodic effect of ahemeral light-dark cycles which entrain circadian rhythms. (1978) (24)
- Effect of photoperiod on the mean oviposition time of two breeds of laying hen. (1995) (23)
- Intermittent lighting regimes and mortality rates in laying hens (1992) (23)
- The clutch patterns of hens in constant illumination. (1977) (23)
- The relative importance of sunrise and sunset for entrainment of oviposition in the fowl. (1978) (23)
- New intermittent lighting programme (the Reading system) for laying pullets. (1995) (23)
- Effects of arginine and protein on chicks' responses to dietary lysine. (1990) (23)
- Supplementary dim light differentially influences sexual maturity, oviposition time, and melatonin rhythms in pullets. (2001) (22)
- Effect of age of release from light or food restriction on age at sexual maturity and egg production of laying pullets (2000) (22)
- A comparison of the effects of age at photostimulation on sexual maturity and egg production in domestic fowl, turkeys, partridges and quail (1998) (22)
- The relative importance of light and temperature as phase setting signals for oviposition in the fowl. (1977) (21)
- Effect of timing and size of photoperiod change on plasma FSH concentration and the correlation between FSH and age at first egg in pullets. (1999) (21)
- Diurnal changes in the plasma concentrations of corticosterone, luteinizing hormone and progesterone during sexual development and the ovulatory cycle of Khaki Campbell ducks. (1982) (20)
- Modelling egg production in laying hens. (2006) (20)
- Effects of dietary cottonseed meal and iron-treated cottonseed meal in different laying hen genotypes. (1991) (20)
- Effect of constant and of changing photoperiods on age at first egg and related traits in pullets. (1996) (19)
- Effects of timing and size of daylength change on brown egg laying domestic hens: plasma luteinising hormone concentration and sexual maturity. (1994) (18)
- Use of khesari (lathyrus sativus) in chick diets (1976) (18)
- The response of laying pullets to abrupt changes in Daylength (1964) (18)
- The effect of ahemeral light and dark cycles on patterns of food intake by the laying hen (1978) (17)
- Experiments with the Bio-mittent lighting system for laying hens. (1988) (16)
- Changes in the protein requirements of pullets during the first laying year (1972) (16)
- Effects of the inclusion of treated jack beans (Canavalia ensiformis) and the amino acid canavanine in chick diets (1994) (16)
- Mechanistic Modelling in Pig and Poultry Production (2006) (16)
- Ultraviolet radiation and laying pullets (2000) (16)
- Some effects of changing protein levels during the pullet laying year. (1967) (16)
- Light Intensity for Growing and Laying Pullets (1966) (15)
- Toxicity of shoti (Indian arrowroot: Curcuma zedoaria) for rats and chicks (1979) (15)
- Lighting and mortality rates in domestic fowl. (1996) (15)
- Increasing versus constant daylength for laying pullets (1961) (15)
- Modelling populations for purposes of optimization. (2006) (15)
- Performance of broiler chicks fed on low and high oil fish silages in relation to changes taking place in lipid and protein components (1990) (14)
- Effects of raw and treated jack beans(Canavalia ensiformis) and of canavanine on the short-term feed intake of chicks and pigs (1994) (14)
- The influence of pelleted feed on the response of growing pullets to photoperiods of less than ten hours (2001) (14)
- Research note: amendments to the model for predicting age at sexual maturity for growing pullets of layer strains following changes in photoperiod (2004) (14)
- Lighting programs for growing and laying pullets. (1967) (14)
- The Relative Merits of Pellets and Mash for Laying Stock (1958) (13)
- Lighting and egg shell quality (1994) (13)
- The maintenance requirement of domestic drakes (2005) (13)
- Model for the prediction of mean time of oviposition for hens kept in different light and dark cycles. (1988) (13)
- Optimum isoleucine requirement of laying hens and the effect of age. (1991) (12)
- The protein requirements of two strains of laying pullets. (1965) (12)
- Effect of age at starting biomittent lighting on performance of laying hens. (1990) (12)
- The effects of early and late maturity on the protein requirements of pullets. (1965) (12)
- 5 – THE INFLUENCE OF PHOTOPERIOD ON REPRODUCTION IN FARM ANIMALS (1981) (11)
- Lighting for layers: what we know and what we need to know (1994) (11)
- Change in the effect of constant photoperiods on the rate of sexual maturation in modern genotypes of domestic pullet (2005) (11)
- The prediction of skeletal weight from the weights of sample bones (1966) (10)
- The Effects of Early and Late Maturing on the Skeletons of Pullets (1964) (10)
- Using physiological models to define environmental control strategies. (2006) (10)
- Influence of sequence length on the response to ahemeral lighting late in lay. (1993) (9)
- Timing of oviposition in mixed systems using bright light, dim light and darkness. (1988) (8)
- Effect of 5 hour increases in photoperiod and in feeding opportunity on age at first egg. (1996) (8)
- Flash Lighting for Egg Production (1958) (8)
- Nutrient flow models, energy transactions and energy feed systems. (2006) (8)
- Effect of two opposing changes in photoperiod upon age at first egg in layer-hybrid pullets (2003) (8)
- Changes in dietary protein level during the pullet year. (1965) (7)
- Evaluating animal genotypes through model inversion. (2006) (7)
- Luteinizing hormone concentrations in the plasma of laying hens exposed to a 27-hr cycle of light and darkness. (1975) (7)
- Mechanistic modelling in pig & poultry production (2006) (7)
- The problem of predicting the partitioning of scarce resources during sickness and health in pigs. (2006) (6)
- Concentrations of luteinizing hormone and progesterone in plasma during sexual development of the Khaki Campbell duck. (1982) (6)
- The effect of medium and high energy laying diets on strains of different body weights. (1963) (6)
- Considerations for representing micro-environmental conditions in simulation models for broiler chickens. (2006) (6)
- The recovery of laying birds from a period of low protein feeding. (1965) (5)
- The effects of social stressors on the performance of growing pigs (2006) (5)
- An introduction to modelling in the animal sciences. (2006) (5)
- The effect of dietary nutrient concentration and calorie to protein ratio on growth and body composition of male and female turkey poults. (1971) (5)
- ‘Infra-Red’ Brooding and the Crooked-Toe Problem in Chicks (1952) (5)
- Effects of changes in photoperiod and feeding opportunity on the performance of two breeds of laying hen. (1996) (5)
- Poultry Production Systems: Behaviour, Management and Welfare , by M. C. Appleby, B. O. Hughes & H. A. Elson. xvi + 238 pp. Wallingford: CAB International (1992). £40.00 or $76.00 (hardback). ISBN 0 85198 797 4. (1993) (4)
- Fertility and hatchability. (2008) (4)
- Fertility and hatchability. (2008) (4)
- Effect of exogenous oestradiol and lighting regime on age at first egg in domestic pullets (2001) (4)
- Responses of immature pullets to repeated cycles of gradual increases and abrupt decreases in photoperiod. (1997) (4)
- Poultry science: the next 20 years? (1996) (4)
- Advancements in empirical models for prediction and prescription. (2006) (3)
- Time of lay in hens exposed to intermittent lighting. (1988) (3)
- 5.6 Egg production at high temperatures (1981) (3)
- An Interaction Between Breed and Feeding Treatment for Egg Production (1960) (3)
- Mechanistic modelling at the metabolic level: a model of metabolism in the sow as an example. (2006) (3)
- The Value of a Grass Sward for Breeding Hens (1957) (3)
- The estimation of egg weight from egg gradings (1973) (3)
- Research note: an amendment to the model for predicting age at sexual maturity for growing pullets of layer strains given two opposing changes in photoperiod (2008) (3)
- History and biology of the domestic duck. (2008) (2)
- Free choice feeding for laying hens. (1961) (2)
- Egg and Eggshell Quality , by S. E. Solomon. 149 pp. London: Wolfe Publishing (1991). £35.00 (hardback). ISBN 0 7234 1647 8. (1992) (2)
- Systems of production. (2008) (2)
- Systems of production. (2008) (2)
- History and biology of the domestic duck. (2008) (2)
- The effect of white fish meal on the hatchability of hens' eggs. (1960) (2)
- Rearing of parent stock. (2008) (1)
- Comparison of pig growth models - the genetic point of view. (2006) (1)
- Nutrition and factors affecting body composition. (2008) (1)
- The place of models in the new technologies of production systems. (2006) (1)
- Nutrition and factors affecting body composition. (2008) (1)
- Handbook of animal science: Edited by Paul A. Putnam. Pp. 401. Academic Press, San Diego. 1991. US $69.00 ISBN 0 12 5683006 (1992) (1)
- The use of different quantities of dried skimmed milk and riboflavin supplement in chick rations (1952) (1)
- The Effects of Early and Late Maturity on the Protein Requirements of Pullets (1964) (1)
- Biotechnology in Animal Feeds and Animal Feeding, eds R. J. Wallace & A. Chesson. x+358 pp. Weinheim: VCH Verlagsgesellschaft mbH (1995). DM 164.00 (hardback). ISBN 3 527 30065 1. (1997) (1)
- Rearing of parent stock. (2008) (1)
- The effect of carbimazole on growth and sexual maturity in the pullet. (1987) (0)
- Husbandry of table duckling. (2008) (0)
- Housing and environment. (2008) (0)
- The Health of Poultry , ed. M. Pattison. XV + 277 pp. Harlow: Longman Scientific & Technical (1993). £55.00 (hardback). ISBN 0 582 06579 8. (1994) (0)
- Genetics and Evolution of the Domestic Fowl, by L. Stevens, xiii + 306 pp. Cambridge: Cambridge University Press (1991). £50.00 or $89.95 (hardback). ISBN 0 521 40317 0. (1992) (0)
- Housing and environment. (2008) (0)
- Pantothenic acid deficiency in chicks fed on copper-supplemented diets. (1972) (0)
- Management of breeding ducks. (2008) (0)
- Recent Developments in Poultry Nutrition 2. Eds J. WISEMAN & P. C. GARNSWORTHY. viii+342 pp. Nottingham: Nottingham University Press (1999). £35.00 (paperback). ISBN 1 897676 43 3. (2000) (0)
- A theory of feeding and growth of animals: Parks, J. R. Springer Verlag, Berlin, 322 pp., 1982. Price: DM 118 (cloth); US$52[middle dot]40 (1984) (0)
- Relative merits of pellets and mash for laying birds. (1958) (0)
- Book Review: Our Food, Our Land. (1991) (0)
- Management of breeding ducks. (2008) (0)
- Livestock Housing, eds C. M. Wathes & D. R. Charles, xi + 428 pp. Wallingford: CAB International (1994). £55.00 or $92.50 (hardback). ISBN 0 85198 774 5. (1995) (0)
- Husbandry of table duckling. (2008) (0)
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