Effects of Compound Chinese Herbal Medicine on Growth Performance, Estrus Rate, Serum Indices and Intestinal Microflora of Replacement Gilts
LI Linqian, ZHANG Yunlong, LIU Riliang, DUAN Wenhui, ZHENG Weijiang, YAO Wen
Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
Abstract：The present study was aimed to evaluate the effects of compound Chinese herbal medicine on the growth performance, estrus rate, serum indices and intestinal microflora of replacement gilts. Sixty 185-day-old replacement gilts were randomly divided into two groups: control group and Chinese herbal medicine group (the basal diet with the addition of 0.1% compound Chinese herbal medicine), and the experimental period lasted for 40 days. All pigs were pre-fed for 5 days and fed basic diets. Body weight, backfat thickness and estrus were recorded; blood samples were collected from each pig on 31th day to detect serum biochemical indices and free amino acids contents; fecal samples were collected on the 28th to 30th day for nutrient apparent digestibility determination and analysis of microbial community. The results showed as follows: 1) compared with the control group, the Chinese herbal medicine significantly increased the estrus rate of the gilts (P<0.05); significantly increased the apparent digestibility of ether extract, ash, crude protein and gross energy (P<0.05); significantly increased the serum glucose, lysine, methionine and glycine contents (P<0.05). 2) Compared with the control group, Chinese herbal medicine significantly increased the relative abundance of beneficial bacteria such as Coprococcus 2, Ruminococcus, Bacteroides and Prevotellaceae (P<0.05), but significantly reduced the relative abundance of Prevotella 2 and [Eubacterium] ruminantium group (P<0.05). In conclusion, the supplementation of compound Chinese herbal medicine can improve the estrus rate of replacement gilts and promote their digestion of nutrients by producing directly active substances or regulating the structure and metabolism of the intestinal gut microbiota.
李琳倩, 张云龙, 刘日亮, 段文辉, 郑卫江, 姚文. 中草药添加剂对后备母猪生长性能、发情率、血清指标和肠道微生物的影响[J]. 动物营养学报, 2020, 32(6): 2586-2600.
LI Linqian, ZHANG Yunlong, LIU Riliang, DUAN Wenhui, ZHENG Weijiang, YAO Wen. Effects of Compound Chinese Herbal Medicine on Growth Performance, Estrus Rate, Serum Indices and Intestinal Microflora of Replacement Gilts. Chinese Journal of Animal Nutrition, 2020, 32(6): 2586-2600.
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