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EFFECT OF DIFFERENT LEVELS OF DIETARY ENERGY ON SOME PRODUCTION TRAITS FOR BROILER CHICKEN | ||
| Basrah Journal of Agricultural Sciences | ||
| Article 4, Volume 23, Issue 1, 2010, Pages 35-48 PDF (0 K) | ||
| DOI: 10.33762/bagrs.2010.56628 | ||
| Authors | ||
| ; T.F Shawket; | ||
| Abstract | ||
| This study was conducted at technical institute Al-Shatrah at ThiGar City, from 7/3/2004 to 2/5/2004. the aim of the study was to investigate the effect of different levels of energy diets on some production,traits Three hundreds and thirty three birds (Fabro) chicks were distributed randomly on three treatments with three replicates to each treatment the groups were fed six experimental diets differs in energy levels. Three levels of energy (2855, 3064 and 3131) k cal/kg, were used at started diets, and three levels of energy (2942, 3128 and 3214) k cal/kg me were used at finished diets The results showed a significant increase of the body weight for the birds feed the dietary energy level (3131 and 3214 k cal /kg) at 4 week and3214 kcalLkg at 8 week. As well as body gain was not significant affected the level of energy at all ages (4, 8) weeks. and a significant (P<0.05) increase in feed intake for the birds feed the dietary energy level (3214 k cal /kg) compared with other energy levels (3128, 2942 kcal /kg). However,the differents were not significant between them at age 8 weeks. Addition to feed efficiency were not significantly effected by the level of energy for all the ages (4,8) weeks and dressing percentage and carcass cuts (neck, wings and drumstick) were not significantly effected by the dietary energy levels. However, there was a significant increase in carcass weight and components (breast, thigh and back) for the bird feed the dietary energy level (3214) k cal/kg. This study showed the best of dietary energy was (3214) Kcal|kg in diets for broiler chicken | ||
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