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Articles by A. Yaghobfar
Total Records ( 2 ) for A. Yaghobfar
  A.A. Saki , G. Pourhesabi , A. Yaghobfar , M.A. Mosavi , M.M. Tabatabai and M. Abbasinezhad
  An experiment was conducted to study the effects of different levels of raw and processed vetch (Vicia sativa) seeds on broiler performance. The experiment was carried out in a Completely Randomized Design. Four hundred and seventy six day-old broilers of male Hubbard strain were used. Seven treatments (dietary contain 0, 10, 20 and 30% levels raw or processed vetch seeds) were arranged by 4 replications and 17 broilers in each. The experiment period was 42 days and diets were isonitrogenous and isocaloric. Body weight gain was reduced significantly (p<0.05) by 20 and 30% raw and processed vetch seeds in comparison with control. No significantly difference was shown in body weight gain by 10% processed and 20% raw vetch seeds compared with control group. The similar reaction was found in feed conversion ratio between treatments with exception by 30% raw dietary vetch seed. The results of this study have shown that desirable performance was observed by 10% of common vetch seeds in broiler performance.
  A. Yaghobfar , Rezaian , M. Ashrafi-Helan , J. Barin , H. Fazaeli and Sayed Davod Sharifi
  The purpose of the present study was to indicated (evaluate) the effect of hull-less barley dietary on the morphology of the small intestinal wall and ileal microbial activity layer hens fed hull-less barley in diet. The results of experiment shown that the inclusion of hull-less barley in the diet had no effect on the bacterial activity as total counts of bacteroidaea, Lactobacillus bifidobacterium and clostridium in small intestinal of layer hen. In the present study, has shown that the hull-less barley influence on the total number of aerobes and anaerobes intestinal bacterial. This can be undigested nutrients enter the lower part of the small intestine, where microbial growth will be increased. The hull-less barley had effect on the villus height, villus width and crypt depth in the duodenum, jejunum and ileum of small intestinal of bird compared to control group. Across all groups, the villus height, villus width, crypt depth in the duodenum was greater than those in the jejunum and ileum and this is consistent with the significant role that the duodenum plays in nutrient absorption. The finding of result of present study as the inclusion of hull-less barley in the diet the number of density of goblet cells in the ileum greater than those in the jejunum and duodenum of small intestinal in birds. However, goblet cells are responsible for the secretion of mucin that is used for the mucinous lining of the intestinal epithelium. Based on the results of the present study, it can be stated that NSP as β-glucan content of hull-less barley concentration in diets of birds change microbial activity or population and the morphology of the small intestinal wall. The magnitude of these changes depends on the degree.
 
 
 
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