Effects of Dietary Clostridium butyricum on Digestion,Metabolism and Serum Biochemical Indexes of Lambs
This experiment was conducted to investigate the effects of dietary Clostridium butyricum(CB)on digestion,metabolism and serum biochemical indexes of lambs.Forty-eight 3-month-old Dolper×small-tail Han crossbred male lambs with average body weight of(22.82±1.67)kg were randomly divided into 4 groups with 12 replicates per group and 1 lamb per replicate.The basal diets of four groups were supplemented with 0(control group),5×107(LCB group),5× 108(MCB group)and 5×109 CFU/kg(HCB group)CB(viable count≥5×109 CFU/g),respectively.The pre-experimental period lasted for 15 days,and experimental period lasted for 60 days.After the end of the formal period,the digestion and metabolism experiment was carried out,the adaptation period was 5 days,and the sampling period was 5 days.The results showed as follows:1)compared with the control group,the neutral detergent fiber(NDF)apparent digestibility of LCB,MCB and HCB groups was significantly increased(P＜0.05),and the acid detergent fiber(ADF)apparent digestibility of HCB group was significantly increased(P＜0.05).2)Compared with the control group,the digestible ener-gy of MCB and HCB groups was significantly increased(P＜0.05),and the digestibility of gross energy of HCB group was significantly increased(P＜0.05).3)Compared with the control group,the nitrogen apparent digestibility of MCB and HCB groups was significantly increased(P＜0.05),and the nitrogen deposition of HCB group was significantly increased(P＜0.05).4)Compared with the control group,the serum total cho-lesterol(TC)content of MCB and HCB groups was significantly decreased(P＜0.05),and the serum low density lipoprotein(LDL)content of HCB group was significantly decreased(P＜0.05).In conclusion,dieta-ry appropriate level of CB can improve digestion,metabolism and serum lipid metabolism indexes of lambs.In this experiment,the dietary appropriate CB supplemental level is 5×109 CFU/kg.[Chinese Journal of Animal Nutrition,2024,36(7):4499-4507]
Clostridium butyricumlambsgrowth performancedigestion and metabolismserum biochemi-cal indexes
万方数据
维普
