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International Journal of Poultry Science

.: Home > International Journal of Poultry Science > 2008 > Volume 7 Number 9 > Firas Rashad Al-Samarai1, Ghalib Alwan Al-Kassie1, Ahmed M. Al-Nedawi2 and Kaild Abdul-Aziz Al-Soudi2

Prediction of Total Egg Production from Partial or Cumulative Egg Production in a Stock of White Leghorn Hens in Iraq

Firas Rashad Al-Samarai1, Ghalib Alwan Al-Kassie1, Ahmed M. Al-Nedawi2 and Kaild Abdul-Aziz Al-Soudi2
┬╣Department of Veterinary Public Health, College of Veterinary Medicine, University of Baghdad, Baghdad, Iraq ┬▓Department of Animal Resource, College of Agriculture, University of Baghdad, Baghdad, Iraq
Abstract :

A study of White Leghorn hens at a poultry farm, Department of Animal Resources, College of Agriculture, University of Baghdad, Iraq, was conducted to investigate the possibility of prediction of the total egg production from partial or cumulative egg production during one year after onset laying. Results revealed
that weight at sexual maturity had no significant effect on all studied traits. Simple and multiple regressions
were used to estimate prediction equations for the whole egg production from partial and cumulative egg
production. It is concluded that the choice of the favorable prediction equations in dealing with partial egg
production were that depended on second and third month egg production, whereas first 3 or 4 months could be the best choices in case of cumulative egg production.

Keywords :
Egg production, cumulative, partial, prediction equation

Date Deposited : 13 Jul 2011 09:45

Last Modified : 13 Jul 2011 09:45

Official URL: http://www.pjbs.org/ijps/ijps.htm

Volume 7, Number 9, - 2008 , ISSN 1682-8356

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