Effect of constant and of changing photoperiods on age at first egg and related traits in pullets

British Poultry Science

Volumn 37, Issue 5, 1996, Pages 885-894

  Lewis, P D ^a   Perry, G C ^a   Morris, T R ^b  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

^b UNIVERSITY OF READING   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

AGING; ANIMAL; ARTICLE; BODY WEIGHT; CHICKEN; EATING; EGG; EGG LAYING; FEMALE; PHOTOPERIODICITY; PHYSIOLOGY; SEXUAL MATURATION; TIME;

AGING; ANIMALS; BODY WEIGHT; CHICKENS; EATING; EGGS; FEMALE; OVIPOSITION; PHOTOPERIOD; SEXUAL MATURATION; TIME FACTORS;

EID: 0030339040     PISSN: 00071668     EISSN: None     Source Type: Journal    
DOI: 10.1080/00071669608417920     Document Type: Article

References (6)

1. LEWIS, P.D., PERRY, G.C. & MORRIS, T.R. (1992) Effect of timing and size of light increase on sexual maturity in two breeds of domestic hen. Proceedings XIX World's Poultry Congress, Amsterdam, Vol 1, 689-692.
2. LEWIS, P.D. & PERRY, G.C. (1995) Effects of lighting on reproduction in poultry, in: HUNTON, P. (Ed.), World Animal Science: poultry production, pp. 359-388 (Amsterdam, Elsevier).
3. MORRIS, T.R. (1963) The effect of changing daylengths on the reproductive responses of the pullet. Proceedings XII World's Poultry Congress, Symposia Reports, pp. 115-124.
4. MORRIS, T R. (1967) Light requirements of the fowl, in: CARTER, T C. (Ed.), Environmental control in poultry production, pp. 15-39 (Edinburgh, Oliver & Boyd).
5. MORRIS, T.R., SHARP, P.J. & BUTLER, E.A. (1995) A test for photorefractoriness in high-producing stocks of laying pullets. British Poultry Science, 37: 763-769.
6. SHARP, P.J. (1993) Photoperiodic control of reproduction in the laying hen. Poultry Science, 72: 897-905.