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Asian Journal of Animal and Veterinary Advances
Year: 2013  |  Volume: 8  |  Issue: 5  |  Page No.: 740 - 746

Effect of Stocking Density on Intestinal Histology and Ileal Bacterial Count in Broilers

Alaeldein M. Abudabos, Mutassim M. Abdelrahman, Hany M. Yehia, Muath Q. Al-Ghadi and Ibrahim A. Alhidary    

Abstract: This study was executed to assess the effect of stocking density on carcass processing yield, small intestine morphometric measurements and ileal bacterial count in female Ross 308 from 0-30 day of age. A total of 96 female Ross chicks were randomly distributed in a randomized complete block design among 12 cages with three dietary stocking densities based on final body weight: low (28.0 kg m-2), medium (37.0 kg m-2) and high (40.0 kg m-2) which was equivalent to 0.050, 0.037 and 0.030 m2/bird, respectively. Results revealed that heavier breasts were obtained from birds which had subjected to the low stocking density (p<0.001). Total small intestine lengths and weights from birds which were subjected to the low density were the longest and the heaviest as compared to the other two groups. Birds in the low and high densities had longer villi in the duodenum and jejunum than did the group in the medium density. Ileal Clostridium perfringens (C. perfringens) and gram negative Bacilli counts in the low density birds tended to be the lowest among all groups (p<0.05). Based on presented evidences it can be concluded that increasing the stocking density of chicks from 28 to 40 kg of BW m-2 resulted in poor performance and could jeopardize their welfare.

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