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PD Lewis

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All Publications

2011: N C Tyler; PD Lewis; Rob Gous
Reproductive status in broiler breeder males is minimally affected by a mid-cycle increase in photoperiod.
British poultry science 2011;52(1):140-5.
2010: PD Lewis
Lighting, ventilation and temperature.
British poultry science 2010;51 Suppl 1():35-43.
2010: PD Lewis
British Poultry Science, 1960-2009: an analysis of the first 50 volumes.
British poultry science 2010;51 Suppl 1():2-12.
2010: PD Lewis; R Danisman; Rob Gous
Temporary exposure of prepubertal, somatically-mature broiler breeder females to stimulatory photoperiods.
British poultry science 2010;51(1):142-5.
2010: PD Lewis; R Danisman; Rob Gous
Photoperiods for broiler breeder females during the laying period.
Poultry science 2010;89(1):108-14.
2009: PD Lewis; R Danisman; Rob Gous
Photoperiodic responses of broilers. III. Tibial breaking strength and ash content.
British poultry science 2009;50(6):673-9.
2009: PD Lewis; Rob Gous
Photoperiodic responses of broilers. II. Ocular development.
British poultry science 2009;50(6):667-72.
2009: PD Lewis; R Danisman; Rob Gous
Photoperiodic responses of broilers. I. Growth, feeding behaviour, breast meat yield, and testicular growth.
British poultry science 2009;50(6):657-66.
2009: PD Lewis; R Danisman; Rob Gous
Illuminance and egg production in broiler breeders.
British poultry science 2009;50(2):171-4.
2008: PD Lewis; Nicola Tyler; Rob Gous; I C Dunn; Peter J Sharp
Photoperiodic response curves for plasma LH concentrations and age at first egg in female broiler breeders.
Animal reproduction science 2008;109(1-4):274-86.
2007: PD Lewis; Rob Gous; TR Morris
Model to predict age at sexual maturity in broiler breeders given a single increment in photoperiod.
British poultry science 2007;48(5):625-34.
2007: PD Lewis; M Ciacciariello; D Backhouse; Rob Gous
Effect of age and body weight at photostimulation on the sexual maturation of broiler breeder pullets transferred from 8L:16D to 16L:8D.
British poultry science 2007;48(5):601-8.
2007: PD Lewis; WK Ghebremariam; Rob Gous
Illuminance and UV-A exposure during rearing affects egg production in broiler breeders transferred to open-sided adult housing.
British poultry science 2007;48(4):424-9.
2007: PD Lewis; Rob Gous; WK Ghebremariam; Peter J Sharp
Broiler breeders do not respond positively to photoperiodic increments given during the laying period.
British poultry science 2007;48(3):245-52.
2007: PD Lewis; WK Ghebremariam; Rob Gous
Effect of moving dawn, dusk, or both on oviposition time in domestic laying hens.
British poultry science 2007;48(3):239-44.
2006: PD Lewis; Rob Gous
Effect of temporary transfers to 14 h on age at first egg in domestic pullets reared on 8-h photoperiods.
British poultry science 2006;47(6):641-5.
2006: Kathryn A Stafford; PD Lewis; Gerald C Coles
Preliminary study of intermittent lighting regimens for red mite (Dermanyssus gallinae) control in poultry houses.
The Veterinary record 2006;158(22):762-3.
2006: PD Lewis; Rob Gous
Effect of final photoperiod and twenty-week body weight on sexual maturity and early egg production in broiler breeders.
Poultry science 2006;85(3):377-83.
2006: PD Lewis; Rob Gous
Various photoperiods and Biomittent lighting during rearing for broiler breeders subsequently transferred to open-sided housing at 20 weeks.
British poultry science 2006;47(1):24-9.
2006: PD Lewis; Rob Gous
Constant and changing photoperiods in the laying period for broiler breeders allowed [corrected] normal or accelerated growth during the rearing period.
Poultry science 2006;85(2):321-5.
2006: PD Lewis; B A Middleton; Rob Gous
Exogenous melatonin modifies rate of sexual maturation in domestic pullets.
Poultry science 2006;85(1):117-22.
2005: PD Lewis; TR Morris
Change in the effect of constant photoperiods on the rate of sexual maturation in modern genotypes of domestic pullet.
British poultry science 2005;46(5):584-6.
2005: PD Lewis; M Ciacciariello; Nick Ciccone; Peter J Sharp; Rob Gous
Lighting regimens and plasma LH and FSH in broiler breeders.
British poultry science 2005;46(3):349-53.
2005: D Backhouse; PD Lewis; Rob Gous
Constant photoperiods and eggshell quality in broiler breeder pullets.
British poultry science 2005;46(2):211-3.
2004: PD Lewis; D Backhouse; Rob Gous
Photoperiod and oviposition time in broiler breeders.
British poultry science 2004;45(4):561-4.
2004: PD Lewis; D Backhouse; Rob Gous
Constant photoperiods and sexual maturity in broiler breeder pullets.
British poultry science 2004;45(4):557-60.
2004: PD Lewis; Rob Gous
Effect of one or two pre-pubertal long days on age at first egg in domestic pullets.
British poultry science 2004;45(1):28-30.
2004: PD Lewis
Responses of domestic fowl to excess iodine: a review.
The British journal of nutrition 2004;91(1):29-39.
2003: PD Lewis; M Ciacciariello; Rob Gous
Photorefractoriness in broiler breeders: sexual maturity and egg production evidence.
British poultry science 2003;44(4):634-42.
2003: I C Dunn; PD Lewis; P W Wilson; Peter J Sharp
Acceleration of maturation of FSH and LH responses to photostimulation in prepubertal domestic hens by oestrogen.
Reproduction (Cambridge, England) 2003;126(2):217-25.
2001: PD Lewis; Marie Linvill; TR Morris; J English
Supplementary dim light differentially influences sexual maturity, oviposition time, and melatonin rhythms in pullets.
Poultry science 2001;80(12):1723-8.
2001: PD Lewis; I C Dunn; Marie Linvill; TR Morris; Peter J Sharp
Effect of exogenous oestradiol and lighting regime on age at first egg in domestic pullets.
British poultry science 2001;42(4):530-5.
2000: PD Lewis; Marie Linvill; CM Sherwin; Christine Moinard
Effect of ultraviolet radiation on the performance of intact male turkeys.
Poultry science 2000;79(6):850-5.
2000: PD Lewis; Marie Linvill; TR Morris
Ultraviolet radiation and laying pullets.
British poultry science 2000;41(2):131-5.
1999: CM Sherwin; PD Lewis; Marie Linvill
Effects of environmental enrichment, fluorescent and intermittent lighting on injurious pecking amongst male turkey poults.
British poultry science 1999;40(5):592-8.
1999: PD Lewis; TR Morris; Marie Linvill
Light intensity and age at first egg in pullets.
Poultry science 1999;78(8):1227-31.
1999: PD Lewis; Marie Linvill; TR Morris; J A Douthwaite
Effect of timing and size of photoperiod change on plasma FSH concentration and the correlation between FSH and age at first egg in pullets.
British poultry science 1999;40(3):380-4.
1998: PD Lewis; Marie Linvill; K C Koutoulis
Correlations between yolk size and age, egg weight or body weight at sexual maturity.
British poultry science 1998;39 Suppl():S54-6.
1998: PD Lewis; Marie Linvill; TR Morris; J A Douthwaite; George E Bentley
Effect of constant and of changing photoperiod on plasma LH and FSH concentrations and age at first egg in layer strains of domestic pullets.
British poultry science 1998;39(5):662-70.
1998: PD Lewis; TR Morris; Marie Linvill
A model for the effect of constant photoperiods on the rate of sexual maturation in pullets.
British poultry science 1998;39(1):147-51.
1997: PD Lewis; Marie Linvill; TR Morris
Responses of immature pullets to repeated cycles of gradual increases and abrupt decreases in photoperiod.
British poultry science 1997;38(5):611-3.
1997: PD Lewis; Marie Linvill; TR Morris
Effect of size and timing of photoperiod increase on age at first egg and subsequent performance of two breeds of laying hen.
British poultry science 1997;38(2):142-50.
1996: PD Lewis; Marie Linvill; TR Morris
Effect of constant and of changing photoperiods on age at first egg and related traits in pullets.
British poultry science 1996;37(5):885-94.
1996: PD Lewis; TR Morris; Marie Linvill
Lighting and mortality rates in domestic fowl.
British poultry science 1996;37(2):295-300.
1996: PD Lewis; Marie Linvill; TR Morris
Effects of changes in photoperiod and feeding opportunity on the performance of two breeds of laying hen.
British poultry science 1996;37(2):279-93.
1996: PD Lewis; Marie Linvill; TR Morris
Effect of 5 hour increases in photoperiod and in feeding opportunity on age at first egg.
British poultry science 1996;37(1):15-9.
1995: PD Lewis; Marie Linvill; TR Morris
Effect of photoperiod on the mean oviposition time of two breeds of laying hen.
British poultry science 1995;36(1):33-7.
1994: PD Lewis; M G MacLeod; Marie Linvill
Effects of lighting regimen and grower diet energy concentration on energy expenditure, fat deposition and body weight gain of laying hens.
British poultry science 1994;35(3):407-15.
1994: PD Lewis; Marie Linvill; TR Morris; BK Follett
Effects of timing and size of daylength change on brown egg laying domestic hens: plasma luteinising hormone concentration and sexual maturity.
British poultry science 1994;35(1):25-31.
1992: PD Lewis; S E Long
Incidence of non-laying in domestic hens.
British poultry science 1992;33(2):289-95.
1990: PD Lewis; Marie Linvill
Glossary of avian photoperiodic terminology and methods of expressing lighting regimens.
British poultry science 1990;31(3):677-84.
1990: PD Lewis; Marie Linvill
Response of laying hens to asymmetrical interrupted lighting regimens: physiological aspects.
British poultry science 1990;31(1):45-52.
1990: PD Lewis; Marie Linvill
Response of laying hens to asymmetrical interrupted lighting regimens: reproductive performance, body weight and carcase composition.
British poultry science 1990;31(1):33-43.
1987: PD Lewis; Marie Linvill; A Tuddenham
Noise output of hens subjected to interrupted lighting regimens.
British poultry science 1987;28(3):535-40.
1986: PD Lewis; Marie Linvill
Effects of interrupted lighting regimens on the feeding activity of the laying fowl.
British poultry science 1986;27(4):661-9.