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Short communication

Responses of immature pullets to repeated cycles of gradual increases and abrupt decreases in photoperiod

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Pages 611-613 | Accepted 10 Jun 1997, Published online: 08 Nov 2007

References

  • Follett , B.K. , Robinson , J.E. , Simpson , S.M. and Harlow , C.R. 1981 . “ Photoperiodic time measurement and gonadotrophin secretion in quail ” . In Biological Clocks in Seasonal Reproductive Cycles , Edited by: Follett , B.K. and Follett , D.E. 185 – 201 . Bristol : Scientechnica .
  • Lewis , P.D. The domestic hen's response to photoperiodic influences . Proceedings 20th World's Poultry Congress . New Delhi. Vol II , pp. 737 – 745 .
  • Lewis , P.D. , Morris , T.R. and Perry , G.C. 1998 . A model for the effect of constant photoperiods on the rate of sexual maturation in pullets . British Poultry Science , in press
  • Morris , T.R. and Fox , S. 1958 . Light and sexual maturity in the domestic fowl . Nature , 181 : 1453 – 1454 .
  • Umeda , I. , Hayakawa , H. , Kamiya , S. and Tanabe , Y. 1993 . Novel lighting systems stimulating gonadal development and expediting sexual maturity of male and female chickens . Asian‐Australian Journal of Animal Science , 6 : 127 – 132 .

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