中国乳业 ›› 2023, Vol. 0 ›› Issue (4): 57-60.doi: 10.12377/1671-4393.23.04.08

• 饲养管理 • 上一篇    下一篇

不同方式处理的全株玉米青贮对奶牛生产性能和经济效益的影响

王诚1, 董桂红1, 范秋苹1, 翟桂玉2, 刘德娟3   

  1. 1 山东健源生物科技有限公司,山东泰安 271000;
    2 山东省畜牧总站,山东济南 250100;
    3 泰安市动物疫病预防控制中心,山东泰安 271000
  • 出版日期:2023-04-25 发布日期:2023-04-28
  • 作者简介:王 诚(1980-),男,山东泰安人,本科,畜牧师,研究方向为动物饲料与营养;董桂红(1984-),女,山东泰安人,硕士,工程师,研究方向为动物饲料与营养;范秋苹(1990-),女,河北保定人,硕士,研究方向为动物饲料与营养;翟桂玉(1964-),男,江苏南京人,博士,农业技术推广研究员,研究方向为草业与畜牧;刘德娟(1966-),女,山东泰安人,本科,农业技术推广研究员,研究方向为动物疫病与防控。

Effects of Whole-plant Corn Silage Treated by Different Methods on Production Performance and Economic Benefits of Dairy Cows

WANG Cheng1, DONG Guihong1, FAN Qiuping1, ZHAI Guiyu2, LIU Dejuan3   

  1. 1Shandong Jianyuan Biotechnology Co.,Ltd.,Tai’an Shandong 271000;
    2Animal Husbandry Station of Shandong Province,Jinan Shandong 250100;
    3Animal Disease Prevention and Control Center of Tai’an,Tai’an Shandong 271000
  • Online:2023-04-25 Published:2023-04-28

摘要: [目的]探究不同方式制备的全株玉米青贮饲喂奶牛后,对其生产性能和经济效益的影响。[方法]选定中国荷斯坦牛开展全株玉米青贮饲喂试验。将28 头奶牛随机分为对照组和试验组,每组14 头。前者饲喂不添加菌剂制备的全株玉米青贮,后者饲喂添加青贮菌剂制备的全株玉米青贮。统计各组奶牛日均干物质采食量、日均产奶量、料重比、乳脂率和乳蛋白率,计算各组奶牛日均经济效益和试验期总经济效益。[结果]采用添加青贮菌剂制备的全株玉米青贮饲喂奶牛后,奶牛日均干物质采食量和料奶比与对照组差异不显著,但日均产奶量、平均乳脂率和乳蛋白率显著提高(P<0.05)。每头牛日均产奶量增加1.91 kg,乳脂率增加0.22 个百分点,乳蛋白率增加0.06 个百分点。试验组经济效益明显提高,每头牛日均经济效益增加4.73 元,正试期内总经济效益增加1 986.60 元。[结论]采用添加青贮菌剂的全株玉米青贮饲喂奶牛,能有效提高奶牛的生产性能和经济效益。

关键词: 全株玉米青贮, 奶牛, 生产性能, 经济效益

Abstract: [Objective]The purpose of this study was to explore the effects of whole-plant corn silage treated by different methods on the production performance and economic benefits of dairy cows.[Method]In this experiment,Chinese Holstein cows were selected to carry out whole-plant corn silage feeding test.28 cows were randomly divided into control group and experimental group,with 14 cows in each group.The former was fed with whole-plant corn silage prepared without adding microbial agent and the latter was fed with whole-plant corn silage prepared with microbial agent.The average daily dry matter intake,average daily milk yield,feed/milk ratio,milk fat rate and milk protein rate of each group were calculated,the average daily economic benefits and total economic benefits of each group were calculated.[Result]The average daily dry matter intake and feed/milk ratio of dairy cows were not significantly different from the control group,but the average daily milk yield,average milk fat rate and milk protein rate were significantly increased (P<0.05).The average daily milk yield per cow increased by 1.91 kg,the milk fat rate increased by 0.22%,and the milk protein rate increased by 0.06%.The economic benefit of the experimental group was significantly improved,the average daily economic benefit of each cow increased by 4.73 yuan,and the total economic benefit of trial period increased by 1 986.60 yuan.[Conclusion]The whole-plant corn silage added with microbial agent was used to feed dairy cows,which could effectively improve the production performance and economic benefits of dairy cows.

Key words: whole-plant corn silage, dairy cow, production performance, economic benefit

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