有机酸肠道调节剂对奶牛产奶量、采食量和主要DHI指标的作用效果研究

doi:10.12377/1671-4393.22.09.04

中国乳业 ›› 2022, Vol. 0 ›› Issue (9): 20-25.doi: 10.12377/1671-4393.22.09.04

有机酸肠道调节剂对奶牛产奶量、采食量和主要DHI指标的作用效果研究

袁芳¹, 邓好好², 王建平^1,*

1 河南科技大学动物科技学院,河南洛阳 471000;
2 洛阳生生乳业有限公司,河南洛阳 430012

出版日期:2022-09-25 发布日期:2022-09-30
通讯作者: *王建平（1964-）,男,河南三门峡人,博士,教授,研究方向为反刍动物营养。
作者简介:袁芳（1997-）,女,河南信阳人,硕士,研究方向为动物营养学与饲料;邓好好（1983-）,男,河南洛阳人,技术场长,研究方向为奶牛管理。
基金资助:
河南省科技厅自然科学基金:基于抗氧化损伤的甘草酸单铵盐预防奶牛脂肪肝病作用及其机制（182300410087）

The Effect of Intestinal Modulator Contain Organic Acids on Milk Yield,Dry Matter Intake and Main DHI Parameters of Dairy Cows

YUAN Fang¹, DENG Haohao², WANG Jianping^1,*

1 Henan University of Science﹠Technology,Luoyang Henan 471003;
2 Luoyang Shengsheng Dairy Company Limited,Luoyang Henan 471003

Online:2022-09-25 Published:2022-09-30

摘要/Abstract

摘要： 目的为研究有机酸肠道调节剂对奶牛产奶量、采食量和主要DHI 指标的作用效果。方法选择388 头泌乳母牛,根据体重、产奶量、泌乳天数,按照随机区组设计分为两组,1组为对照组（日粮不添加肠道调节剂）、2组为试验组（日粮中每头每天添加48 g有机酸为主要成分的肠道调节剂）。结果试验组比对照组产奶量平均提高了1.1 kg/d·头（P<0.05）,干物质采食量平均增加0.84 kg/d·头（P<0.05）,乳脂肪含量增加0.20 个百分点（P<0.05）,乳中脂蛋比显著高于对照组（P<0.05）,对乳蛋白含量、体细胞计数（万个/mL）、体细胞评分、乳尿素氮含量无影响。结论在日粮中添加有机酸肠道调节剂能够提高奶牛产奶量、干物质采食量和乳中脂肪含量。

关键词: 有机酸, 奶牛, 生产性能, 干物质采食量

Abstract: [Objective] This study was to investigate the effect of supplemental intestinal modulator containing organic acids on milk yield， dry matter intake and main DHI parameters of dairy cows.[Method] Three hundred eighty-eight Chinese Holstein cows were divided into two groups according to random block design with milk yield，day in milking and parity. The animals were fed basic diets without intestinal modulator（control）or with 48 gram per cow per day intestinal modulator（treatment）.[Result] The milk yield，dry matter intake and milk fat content was improved 1.1 kg/d·h（P＜0.05），0.84 kg/d·h（P＜0.05）and 0.2 percentage point（P＜0.05）by treatment，respectively. Cows fed with intestinal modulator had greater ratio of milk fat to protein（P＜0.05）. There was no effect of intestinal modulator on milk protein content，somatic cell count，somatic cell score，milk urea nitrogen.[Conclusion] Supplemental intestinal modulator containing organic acids was improved milk yield，dry matter intake and milk fat content of dairy cows.

Key words: organic acid, dairy cows, performance, dry matter intake

袁芳, 邓好好, 王建平. 有机酸肠道调节剂对奶牛产奶量、采食量和主要DHI指标的作用效果研究[J]. 中国乳业, 2022, 0(9): 20-25.

YUAN Fang, DENG Haohao, WANG Jianping. The Effect of Intestinal Modulator Contain Organic Acids on Milk Yield,Dry Matter Intake and Main DHI Parameters of Dairy Cows[J]. China Dairy, 2022, 0(9): 20-25.

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有机酸肠道调节剂对奶牛产奶量、采食量和主要DHI指标的作用效果研究

The Effect of Intestinal Modulator Contain Organic Acids on Milk Yield,Dry Matter Intake and Main DHI Parameters of Dairy Cows

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