不同剂型酸化剂对哺乳母猪生产性能、初乳成分和肠道菌群结构的影响

发布时间：2018-02-27 21:32

本文关键词： 酸化剂剂型哺乳母猪生产性能初乳成分肠道菌群结构　出处：《动物营养学报》2017年06期 　论文类型：期刊论文

【摘要】：本试验旨在比较2种不同剂型酸化剂对哺乳母猪生产性能、初乳成分和肠道菌群结构的影响。试验选择30头体况相近、预产期接近的2~4胎长大二元杂交母猪,随机分成3个组,每组10个重复,每个重复1头母猪。在试验期间各组母猪分别饲喂基础饲粮(对照组)、基础饲粮+0.3%吸附型酸化剂(A组)、基础饲粮+0.1%微囊型酸化剂(B组)。预试期7 d(母猪分娩前7天)、正试期26 d(从母猪分娩开始至泌乳结束)。结果表明:与对照组相比,A组和B组母猪的泌乳期平均日采食量分别提高4.9%(P0.05)和5.3%(P0.05),仔猪断奶均重分别提高2.6%(P0.05)和7.4%(P0.05)。A组和B组的母猪初乳中乳脂、乳蛋白、尿氮素、免疫球蛋白G和免疫球蛋白A含量均高于对照组(P0.05),而乳糖含量则低于对照组(P0.05)。与对照组相比,B组母猪饲粮蛋白质消化率显著提高(P0.05),且粪便中大肠杆菌数量显著降低(P0.05);A组母猪粪便中大肠杆菌数量显著降低(P0.05)。由此可见,微囊型酸化剂在提高仔猪断奶重以及哺乳母猪饲粮蛋白质消化率和改善肠道菌群结构方面有一定功效,而吸附型酸化剂在改善哺乳母猪肠道菌群结构方面有一定功效。
[Abstract]:The purpose of this experiment was to compare the effects of two different kinds of acidifiers on the performance, composition of colostrum and intestinal flora of lactating sows. 10 repetitions per group, During the trial, each sows were fed with basal diet (control group, basal diet 0.3% adsorption type acidifier group A, basal diet 0.1% microencapsulated acidifier group B). The pretest period was 7 days. The results showed that compared with the control group, the average daily feed intake of group A and group B was increased by 4.9% P0.05 and 5.3%, respectively, and the weaning weight of piglets was increased by 2.6P0.05 and 7.4P0.05.A, respectively, in the first 7 days of the trial period (from the beginning of the sows' delivery to the end of lactation), the results showed that the average daily feed intake of the sows in group A and group B was increased by 4.9g / P0.05 and 2.6P0.05respectively, and the average weaning weight of piglets was increased by 2.6P0.05A, respectively. Milk fat in colostrum of sows in group B and group B, Milk protein, urine nitrogen, The content of immunoglobulin G and immunoglobulin A was higher than that of control group P0.05A, while the content of lactose was lower than that of control group. Compared with the control group, dietary protein digestibility of sows in group B increased significantly, and the number of Escherichia coli in feces decreased significantly. The amount of Escherichia coli in feces of sows in group A decreased significantly. Microencapsulated acidifiers can improve weaning weight, dietary protein digestibility and intestinal microflora structure of suckling sows, while adsorptive acidifiers can improve intestinal microflora structure of lactating sows.
【作者单位】：上海美农生物科技股份有限公司;
【分类号】：S828.5

【相似文献】