THE EFFECT OF HEAT STRESS ON PRODUCTIVE TRAITS FOR THREE EGYPTIAN BREEDS | ||
| Arab Universities Journal of Agricultural Sciences | ||
| Article 18, Volume 26, Special issue (2A), October 2018, Pages 1077-1085 PDF (1004.66 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ajs.2018.28330 | ||
| Authors | ||
| Habiba H. Rezk* ; H. E. Ayeoub; A. Galal; Lamiaa M. Radwan | ||
| Poultry Production Dept., Fac. of Agric., Ain Shams Univ., Cairo, Egypt | ||
| Abstract | ||
| The objective of the present study the effects of heat stress on the productive traits are Play an important role in the poultry industry. The experiment was carried out in the farm of the Faculty of Agriculture-Ain Shams University, reared 600 chick of three breeds (Sinai - Fayoumi - Dandrawi) were divided into equal two groups (the treatment was exposed to heat stress on different periods of 3 days - 8 weeks - 16 weeks on temperature of 400c for 4 hours / 3 days. While, the control under environmental conditions. Then, take the body weight in 8, 10,12,14,16 weeks of ages, and body measurements (shank length, tibia length, body depth, keel length, comb and wattle) in three local breeds. The most important results obtained that It could be observed that the effect was high significantly (p<0.0001) heavier in Fayoumi compared to Dandarawi and Sinai in weight body and The results in the body measurements of the parent stock showed The effect on the Fayoumi breed was higher followed by Dandarawi and Sinai, The effect of the rectal temperature and rate respiratory are significant on the breed and the treatment. Concluded that study the effect on productive traits for three local breeds. | ||
| Keywords | ||
| heat stress; productive traits; Egyptian local breeds | ||
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