الفهرس 
Genetic parametersOnly 14 pages are availabe for public view
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Abstract
Two experhents were carried oui; i n the podtq7 fans and the laboratoorr’ies of Faculties of Agriculture of Twta (Kafr El-Sheikh) Alexa~driaU niversities throughout 1977 and L978, Tnro populations, Alex~udria ad Fayourai chicks were used i n these experiments, In the first experiment 151 143 pidigreed chicks from k-Iexmdr5.a aid Fayoux~i. were used at fcur week6 of age t o deternine the feed consmption, feed efficiency ad Metabolizable energyo In the second experbent f i f t e e n and eigliteen I~iixg hem frorz Alexa-dria and E’cqomi were %sed t o estixate, nass egg weight, auomt of feed conswed, the feed eff i~iencgf or egg production =and netabolizzble enera, The Deans, standard error and the h e r i t a b i l i t y wepe estimated for each trait, The phenotypic and genetic corre1~tion.s beimeen M.E, and feed eff iciericy, ILE. and body weight ad body weight and feed efficie-rlcy were also estbated in the two popula’i;ions,