Changes in light intensity can influence age at sexual maturity in domestic pullets

By Lewis P.D.   Sharp P.J.   Wilson P.W.   Leeson S.  

British Poultry Science, Vol. 45, Iss. 1, 2004-02 ,pp. : 123-132

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Effect of constant and of changing photoperiod on plasma LH and FSH concentrations and age at first egg in layer strains of domestic pullets

By Lewis P. D.   Perry G. C.   Morris T. R.   Douthwaite J. A.   Bentley G. E.  

British Poultry Science, Vol. 39, Iss. 5, 1998-12 ,pp. : 662-670

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Effect of age of release from light or food restriction on age at sexual maturity and egg production of laying pullets

By Gous M.   Bradford G. D.   Johnston S. A.   Morris T. R.  

British Poultry Science, Vol. 41, Iss. 3, 2000-07 ,pp. : 263-271

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Effect of timing and size of photoperiod change on plasma FSH concentration and the correlation between FSH and age at first egg in pullets

By Lewis P . D.   Perry G. C.   Morris T. R.   Douthwaite J. A.  

British Poultry Science, Vol. 40, Iss. 3, 1999-07 ,pp. : 380-384

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Constant photoperiods and sexual maturity in broiler breeder pullets

By Lewis P.D.   Backhouse D.   Gous R.M.  

British Poultry Science, Vol. 45, Iss. 4, 2004-08 ,pp. : 557-560

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