现代畜牧科技Issue(12)：1-3,3.DOI:10.19369/j.cnki.2095-9737.2023.12.001
复合微生态制剂对犊牛生长性能以及腹泻发病率的影响
Effects of Compound Probiotics on Growth Performance and Incidence Rate of Diarrhea in Calves
摘要
Abstract
To analyze the effects of compound microecological agents on the growth performance and incidence rate of diarrhea of Simmental weaned calves.Method:80 Simon Thar weaned calves weighing around 200 kg at the age of 5 months were selected and evenly divided into four groups:low dose group,medium dose group,high dose group,and control group.The compound microecological agents(dosage:4,8,16 g/d)were added to the concentrate feed for 90 d,and the calf weight gain,feed intake,feed conversion rate,incidence rate of diarrhea,and fecal pH value,nitrogen,phosphorus,copper,lactic acid bacteria,coliform bacteria and other indicators were analyzed.Conclusion:When adding 8 g/d composite probiotics to calf concentrate,it can significantly increase weight gain,feed intake,feed conversion rate,and the number of bacteria and lactic acid bacteria in feces(P＜0.01);The contents of nitrogen and phosphorus,the number of escherichia coli and the incidence rate of diarrhea were decreased(P＜0.05).关键词
微生态制剂/腹泻/断奶犊牛Key words
microecological preparations/diarrhea/weaned calf分类
畜牧业引用本文复制引用
马强,肖敏,张晋,王顶天..复合微生态制剂对犊牛生长性能以及腹泻发病率的影响[J].现代畜牧科技,2023,(12):1-3,3.基金项目
甘肃省科学技术厅科技特派员(基地)专项项目:中小规模肉牛场高效繁育提质增效科技特派示范(23CXNH0021) （基地）
武威市科技人才和科学普及计划—科技特派员专题项目:复合微生态制剂防控犊牛腹泻技术研究与应用(WW2202RPT048) （WW2202RPT048）
武威市市级科技计划B类项目:草食性家畜粪便高效利用技术研究与应用(WW23B02NY114) （WW23B02NY114）
