Effects of Chinese Herbal Fermentation Additive on Performance and Antioxidant Ability of Laying Hens
The aim of this experiment was to study the effects of Chinese herbal fermentation additive perfor-mance and antioxidant level of laying hens.A total of 4 000 laying hens were divided into 4 groups,and the laying performance,egg quality and serum antioxidant indexes of laying hens were measured after feeding experiment with Chinese herbal fermentation additive in the basal diet at the ratio of 0,1%,2%and 3%.The results show that the laying rate and average egg weight in groups Ⅲ and Ⅳ were significantly higher than those in groups Ⅰ and Ⅱ(P<0.05),the average daily feed intake and feed to egg ratio in groups Ⅲ andⅣ were significantly lower than those in groupsⅠandⅡ(P<0.05),and there were no significant differences in all the above indexes in groups Ⅲ and Ⅳ(P>0.05);there were no significant differences in eggshell strength,eggshell thickness and protein height among all groups(P>0.05),but yolk color in groups Ⅱ,Ⅲand Ⅳ were significantly higher than that in groupⅠ(P<0.05),and Haugh unit in groups Ⅲ and Ⅳwere significantly higher than that in groups Ⅰand Ⅱ(P<0.05).After the experiment,the con-tents of GSH-Px and SOD in groups Ⅲ and Ⅳwere significantly increased compared with groupsⅠ and Ⅱ(P<0.05),and the MDA content in groups Ⅲ and Ⅳ were significantly decreased compared with groups Ⅰ and Ⅱ(P<0.05).In summary,the addition of Chinese herbal fermentation additive to the diets can effectively promote the production perfor-mance of laying hens and improve their antioxidant capacity.Under the experimental conditions,the effect of adding 2%and 3%of Chinese herbal fermentation additive is the best,and considering the economic per-spective,adding 2%of Chinese herbal fermentation additive is more suitable.
Chinese herbal fermentation additivelaying hensegg production performanceegg qualityantioxidant ability
万方数据
维普
