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GENETIC, PHENOTYPIC PARAMETERS OF EGG PRODUCTIVE AND QUALITATIVE TRAITS IN LOCAL IRAQI CHICKENS SELECTED FOR FAST ISOZYMES OF ALKALINE PHOSPHATASE | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 12, Issue 2, 2007, Pages 0-0 | ||
| Authors | ||
| A.H.K. Al-Hillali; E. Hadi; K.A. Al-Soudi; A. Hussien | ||
| Abstract | ||
| The study was carried out in the Native Poultry Farm, Agriculture and Biology Research Center, Iraqi Atomic Energy Commission from April 2002 to March 2003. The aim of this study was evaluated genetically as to their some qualtative and quantative traits of eggs on 250 local Iraqi pullets progenies of 20 sires and 100 dams selected for many generation based on fast isozymes type. The general linear model (GLM) with the SAS program was used to study the fixed factors in qualitative traits (egg shape Index, Haugh unit, and Shell thickness) and quautitatuie traits (egg number, egg weight, egg mass, first egg weight and body weight at sexual maturity). The SAS program was also used to estimate the genetic parameters such as (Heritabilities and Genetic Corrleation between traits which studied. Result obtained can be summarized as follow: 1- The over all means of egg production percentage egg weight, egg mass, first egg weight and body weight at sexual maturity were 68-4, 45.6, 3141.84, 37.5 and 1097.92 gm respectively while the over all means of shape index, Haugh unit and Shell thickness were 71.08, 76.8 and 0.368mm respectively. 2- Heritabilities estimate of egg number, egg weight, egg mass, first egg weight and body weight at sexual maturity were 0.28, 0.34, 0.52, 0.24 and 0.38 respectively, Heritabilities of shape index, Haugh unit and shell thickness were 0.46, 0.29, 0.58 respectively. 3- The estimate value of Genetic and phenotypic correlation among parameters were highly significant especially between the quantative traits indicated that this traits used as good markers for improvement local Iraqi chickens which selected for fast isozyme of Alkaline phosphatase. | ||
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