Lei Qian, Cheng Zhiqiang, Jiang Maocheng, Ma Qianbo, Gong Xiaoxiao, Huo Yongjiu, Lin Miao
College of Animal Science and Technology, Yangzhou University, Yangzhou, China.
Anim Biosci. 2025 May;38(5):955-967. doi: 10.5713/ab.24.0340. Epub 2024 Oct 28.
This research aims to explore the effects of incorporating Saccharomyces cerevisiae fermentation products (SCFP) on growth performance, nutrient digestibility, antioxidant capacity, fecal short-chain fatty acids, and microbial composition of pre-weaning calves.
Twenty Holstein calves, 10 days old and weighing an average of 48.63±0.91 kg, were randomly assigned to either the control group (CON) or the SCFP group, with 10 calves in each group. The CON group received only a basal diet, while the SCFP group received the starter diet supplemented with 5 g/head/d of SCFP products. The pre-trial period lasted for 5 days, followed by a main experimental period of 45 days.
The SCFP group had significantly higher final weight, average daily gain, and feed efficiency compared to the CON group (p<0.05). Moreover, the SCFP group exhibited increased apparent digestibility of dry matter, crude protein, ether extract, acid detergent fiber, Ca, and P (p<0.05). Additionally, supplementation with SCFP led to elevated content of growth hormone, insulin-like growth factor-1, and glucagon-like peptide-1 in serum. The inclusion of SCFP also raised serum catalase content and reduced serum malondialdehyde content in pre-weaning calves. Furthermore, SCFP supplementation influenced the composition of intestinal microflora by decreasing Actinobacteriota abundance and increasing the abundance of Ruminococcus, Lachnospiraceae_AC2044_group, Parabacteroides, and Butyricimonas.
The addition of SCFP has a positive impact on the growth performance, nutrient digestibility, antioxidant capacity, and intestinal microflora composition of pre-weaning calves.
本研究旨在探讨添加酿酒酵母发酵产物（SCFP）对断奶前犊牛生长性能、养分消化率、抗氧化能力、粪便短链脂肪酸和微生物组成的影响。
选取20头10日龄、平均体重48.63±0.91 kg的荷斯坦犊牛，随机分为对照组（CON）和SCFP组，每组10头。CON组仅饲喂基础日粮，而SCFP组饲喂添加了5 g/头/天SCFP产品的开食料。预试验期持续5天，随后是45天的主要试验期。
与CON组相比，SCFP组的末重、平均日增重和饲料效率显著更高（p<0.05）。此外，SCFP组干物质、粗蛋白、乙醚提取物、酸性洗涤纤维、钙和磷的表观消化率有所提高（p<0.05）。此外，添加SCFP可提高断奶前犊牛血清中生长激素、胰岛素样生长因子-1和胰高血糖素样肽-1的含量。添加SCFP还提高了断奶前犊牛血清过氧化氢酶含量，降低了血清丙二醛含量。此外，添加SCFP通过降低放线菌门丰度和增加瘤胃球菌属、毛螺菌科_AC2044_组、副拟杆菌属和丁酸单胞菌属的丰度来影响肠道微生物群的组成。
添加SCFP对断奶前犊牛的生长性能、养分消化率、抗氧化能力和肠道微生物群组成具有积极影响。
