Zhou Rui, Wang Lueyu, Li Yaodong, Wu Huihao, Lu Liping, Zang Rongxin, Xu Hongwei
College of Life Science and Engineering, Northwest Minzu University, Lanzhou 730100, China.
Experimental Teaching Department, Northwest Minzu University, Lanzhou 730100, China.
Animals (Basel). 2024 Jan 18;14(2):303. doi: 10.3390/ani14020303.
This study explored the impact of integrating fermented feed into the starter diet of lambs, focusing on growth, health, serum antioxidants, immune markers, rumen fermentation, and microbial communities. Thirty-six ten-day-old female Tail Han lambs were randomly divided into three experimental groups, which were separately fed with alfalfa hay (LA group), tail vegetable fermented feed (LB group), and tail vegetable fermented feed supplemented with 0.1% microbial inoculants (LC group) during the experimental period. This study assessed the influence of fermented feed on various parameters, including growth performance, fiber degradation, rumen fermentation, enzymatic activities, and ruminal histomorphology. The results indicate that compared to the control group, the addition of fermented feed can increase the daily weight gain of lambs. Simultaneously, the addition of fermented feed can enhance the total antioxidant capacity of serum ( < 0.05). The addition of fermented feed promoted the increased height of villi in the duodenum or jejunum of lambs ( < 0.05), and the ratio of villi height to crypt depth in the LB and LC groups was also improved ( < 0.05). The addition of fermented feed increased the richness and diversity of the rumen microbial community in lambs ( < 0.05), primarily increasing the relative abundance of , , , and .
本研究探讨了在羔羊开食料中添加发酵饲料的影响，重点关注生长、健康、血清抗氧化剂、免疫指标、瘤胃发酵和微生物群落。将36只10日龄的雌性小尾寒羊羔羊随机分为三个实验组，在实验期间分别饲喂苜蓿干草（LA组）、尾菜发酵饲料（LB组）和添加0.1%微生物菌剂的尾菜发酵饲料（LC组）。本研究评估了发酵饲料对各种参数的影响，包括生长性能、纤维降解、瘤胃发酵、酶活性和瘤胃组织形态学。结果表明，与对照组相比，添加发酵饲料可提高羔羊的日增重。同时，添加发酵饲料可提高血清总抗氧化能力（<0.05）。添加发酵饲料促进了羔羊十二指肠或空肠绒毛高度的增加（<0.05），LB组和LC组的绒毛高度与隐窝深度之比也有所提高（<0.05）。添加发酵饲料增加了羔羊瘤胃微生物群落的丰富度和多样性（<0.05），主要增加了、、和的相对丰度。
