Document Type : Research Paper


1 Former M.Sc. Student, Department of Animal Sciences, Faculty of Agriculture, Shahrekord University, Iran

2 Assistant Professor, Department of Animal Sciences, Faculty of Agriculture, Shahrekord University, Iran

3 Assistant Professor, Department of Clinical Science, Faculty of Veterinary, Shahrekord University, Iran


In this research to evaluate the effects of probiotic on the growth and some serum biochemical parameters of growing native kid’s, 24 kid’s, with 19.2± 0.7 kg body weight and 120± 10 days of age were used in a  completely randomized design with four treatments and six repeats. These four groups included: 1- The control group was fed on a basal diet (without probiotic or yeast). 2- The second group received basal diet plus one g/day protexin for each kid. 3- The third group was fed on basal diet and two g/day Levocil SC2 yeast, for each kid and 4- The fourth group was fed on basal diet plus one g/day of Levocil SC2 yeast and a half g/day of protexin for each kid. After 14 days adaptation to experimental pens, the kids had free access to experimental diets among 74 days. Daily dry matter intake (DMI), and animal weight changes were recorded. Blood samples were collected from kids. According to the result, there were non-significant differences in treatments concerning, DMI daily gain and feed conversion ratio (P>0.05). Also concentration of some blood parameters such as blood urea nitrogen, total protein, globulin were not affected by probiotics (P>0.05). Glucose, albumin, triglyceride and cholesterol concentration of kid’s serum in group 2 (protexin treatment) were higher than other groups (P<0.05).


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