الفهرس 
Egg productionOnly 14 pages are availabe for public view
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Abstract
-Atonuc Lncrg y Authority at Inshas. The objective of this study was to overcome dCL”I”eaSL’ productive efficiency and immune system response as a result or The present study was performed in animal house Nuclear Research Ccntcr advanced or female Japanese quail (Coturnix Coturnix japonica) and multiple the production period of females studying the effect of three methods of force rest and their effect on physiological and endocrinological changes associated with each of procedure used. Three hundred birds were used. 240 female and 120 males (50 weeks of age). Females were at 44% hen day (Ill)) egg production. The birds randomly divided into four groups, 60 lcmalcs and :W males in each treatment which divided into three .replicate of 20 females and J 0 males in each The first group was fed a layer diet, plus 2!1() zinc oxide (20’c)OOppm) for J 4 days. The second gFoup was fed a commercial layer diet containing 8 mg / birds / day tamoxifen for 14 days. The third group was force molted by the California method (fed withdrawal by removing the diet J 0 days then feed for 7 days corn). The fourth group fed the layer diet and served as the control.