Trevor Raymond Morris

Trevor Raymond Morris's AcademicInfluence.com Rankings

Biology

#12511

World Rank

#15992

Historical Rank

Botany

#422

World Rank

#1271

Historical Rank

biology Degrees

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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

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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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What Schools Are Affiliated With Trevor Raymond Morris?

Trevor Raymond Morris is affiliated with the following schools:

University of Reading