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http://dx.doi.org/10.5187/JAST.2004.46.4.593

Effect of Supplementation of Complex Probiotics on Performances, Physio-chemical Properties of Meat and Intestinal Microflora in Broiler  

Yu, D.J. (Livestock Research Institute, National Agricultural Cooperative Federation)
Na, J.C. (Division of Poultry, National Livestock Research Institute)
Kim, T.H. (Division of Poultry, National Livestock Research Institute)
Kim, S.H. (Division of Poultry, National Livestock Research Institute)
Lee, S.J. (Division of Poultry, National Livestock Research Institute)
Publication Information
Journal of Animal Science and Technology / v.46, no.4, 2004 , pp. 593-602 More about this Journal
Abstract
A feeding trial was carried out to investigate the effect of supplemental complex probiotics on performances, physio-chemica1 properties of meat and inetestinal microflora in broiler chicks. Four hundred eighty broiler chickens, one days old with mixed sexes were fed one of four diets containing 0, 0.1, 0.2 and 0.4% complex probiotics for 7 weeks. There were four replicates with thirty chicks per pen. Diet contained ME 3,100, 3,l00kcal/kg, and CP 22.0, 20.0% for starting and finishing period, respectively. Body Weight gain of chicks fed the complex probiotics tended to increase from the frist week and all complex probiotics higher than control from the 4th week. Chickens fed the diets containing 0.2% probiotics had higher(P<0.05) than those fed the other levels from the 4th week to 5th week. Feed conversion also improved significantly(P<0.05) in the supplemental 0.2% probiotics from the 4th week to 5th week. In physio-chemica1 properties of meat, carcass rate increased significantly(P<0.05) in the supplemental 0.4% probiotics compared to that of control at 7 weeks overall means and abdominal fat pad rate increased significantly(P< 0.05) in the supplemental 0.2% probiotics compared to that of control. Cooking loss decreased significantly(P<0.05) in the supplemental all probiotics. But shear force increased significantly(P<0.05) in the supplemental 0.4% probiotics. The number of ileum and cecum Lactobacillus spp. tended to increase in the supplemental complex probiotics at 7 week of age, but was not significantly different. As the result, supplemental complex probiotics increased performance and physio-chemica1 properties of meat and the number of intestinal Lactobacillus of broiler chicks.
Keywords
Complex probiotic; Broiler chicks; Lactobacillus; Perfonnance; Intestinal microflora;
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