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British Poultry Science Volume 37, 1996 - Issue 1
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Behaviour, welfare, husbandry and environment

Effect of 5 hour increases in photoperiod and in feeding opportunity on age at first egg

P. D. Lewis Department of Clinical Veterinary Science, University of Bristol, Langford, Bristol, BS18 7DU, England
,
G. C. Perry Department of Clinical Veterinary Science, University of Bristol, Langford, Bristol, BS18 7DU, England
&
T. R. Morris Department of Agriculture, University of Reading, Earley Gate, Reading, RG6 2AT, England
Pages 15-19 | Published online: 12 Nov 2007

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R.M. Gous & P. Cherry. (2004) Effects of body weight at, and lighting regimen and growth curve to, 20 weeks on laying performance in broiler breeders. British Poultry Science 45:4, pages 445-452.
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P. D. LEWIS. (1998) 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 39:5, pages 662-670.
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Articles from other publishers (2)

Azhar F. Abdel Fattah, Noura E. Abd Elhameed, Elshimaa M. Roushdy, Mohamed S. El Kholy & Mahmoud Alagawany. (2021) Reproductive traits, behavioral and hormonal changes during breeding season in Egyptian Geese under natural photoperiod. Rendiconti Lincei. Scienze Fisiche e Naturali 32:3, pages 539-547.
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Shunshun Han, Yan Wang, Lingyan Liu, Diyan Li, Zihao Liu, Xiaoxu Shen, Hengyong Xu, Xiaoling Zhao, Qing Zhu & Huadong Yin. (2017) Influence of three lighting regimes during ten weeks growth phase on laying performance, plasma levels- and tissue specific gene expression- of reproductive hormones in Pengxian yellow pullets. PLOS ONE 12:5, pages e0177358.
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