Effects of three compound microecological preparations on growth performance,serum indexes and digestive function of Hu sheep
To evaluate the effects of three different compound microecological preparations on growth performance,serum indexes and nutrient apparent digestibility of Hu sheep,a total of 72 4-month-old female Hu sheep with similar body weight were randomly divided into 4 groups:control group(CK group),compound enzyme preparation group 1,compound enzyme preparation group 2 and compound enzyme preparation group 3,with 3 pen replicates in each group and 6 sheep in each replicate.Each microecological preparation product was added according to the concentration of 5.0‰.The results showed that:(1)Compared with the control group,each compound enzyme preparation group had a different level of weight gain,which increased by 29.25%,14.29%and 5.78%,respectively;(2)Compared with the control group,the contents of serum total protein,albumin,globulin and serum glucose of Hu sheep in the treatment group were increased,while the contents of serum cholesterol and urea nitrogen of Hu sheep were significantly decreased,indicating that the three kinds of microecological preparations could enhance the disease resistance and improve the metabolism of nutrients of Hu sheep;(3)Compared with the control group,there were no significant differences in the contents of serum creatinine,glutamic pyruvic transaminase,glutamic oxalacetic transaminase and alkaline phosphatase of Hu sheep in the treatment group,indicating that the microecological preparation had no effect on the normal function of liver and heart of Hu sheep;(4)Compared with the control group,serum total antioxidant capacity(T-AOC),superoxide dismutase(SOD)and glutathione peroxidase(GSH-Px)activities were increased in the treatment group,and malondialdehyde(MDA)was decreased,indicating that the three kinds of microecological preparations could improve the antioxidant capacity of Hu sheep;(5)Compared with the control group,the apparent digestibility of nutrients in groups 2 and 3 was improved,and the apparent digestibility of dry matter,crude protein,crude fiber,neutral detergent fiber and acid detergent fiber of Hu sheep was increased by 5.39%,14.35%,5.03%,12.82%and 9.22%,respectively,in group 2.In conclusion,the compound microecological preparations could improve the growth performance,antioxidant capacity,immunity and digestive function of Hu sheep,and the effects of different strains were different,which provide a theoretical basis for the development of compound microecological preparations for Hu sheep feed.
Hu sheepmicroecological preparationsfeed additivesnutrient digestibilityimmunity
NETL
NSTL
万方数据
