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Behaviour, welfare, husbandry and environment

Effects of changes in photoperiod and feeding opportunity on the performance of two breeds of laying hen

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Pages 279-293 | Published online: 08 Nov 2007

References

  • Hutchinson , J.D.C. and Taylor , W.W. 1957 . Seasonal variation in the egg production of fowls: Effect of temperature and change of day length . Journal of Agricultural Science , 49 : 419 – 434 .
  • Lewis , P.D. and Perry , G.C. . Responses of the laying hen to noise supplemented short daylengths . Proceedings VIII European Poultry Conference . Barcelona, Spain. pp. 642 – 645 .
  • Lewis , P.D. and Perry , G.C. 1994 . “ Factors that influence sexual maturation in the laying hen ” . In The Veterinary Annual 34 , Edited by: Raw , M‐E and Parkinson , T.J. 89 – 96 . Oxford : Blackwell Scientific .
  • Morris , T.R. 1966 . “ Light and sexual maturity in the fowl ” . University of Reading . Ph.D. Thesis,
  • Morris , T.R. , Fox , S. and Jennings , R.C. 1964 . The response of laying pullets to abrupt changes in daylength . British Poultry Science , 5 : 133 – 147 .
  • Sykes , A.H. 1956 . Short day‐length and egg production in the fowl . Journal of Agricultural Science , 47 : 429 – 434 .

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