中国乳业 ›› 2026, Vol. 0 ›› Issue (3): 25-32.doi: 10.12377/1671-4393.26.03.04

• 饲养管理 • 上一篇    下一篇

狄氏副拟杆菌F4对断奶前母犊生长性能和消化代谢的影响

郑为君1,2, 冯肖然2, 马俊南2, 原昊2, 屠焰2,*, 鲁琳1   

  1. 1.北京农学院动物科学技术学院,北京 102206;
    2 中国农业科学院饲料研究所,农业农村部饲料生物技术重点开放实验室,北京 100081
  • 出版日期:2026-03-25 发布日期:2026-04-09
  • 通讯作者: *屠 焰（1969-）,女,浙江嘉善人,博士,研究员,博士生导师,研究方向为反刍动物营养与饲料科学。
  • 作者简介:郑为君（2001-）,女,山东德州人,硕士,研究方向为反刍动物营养;冯肖然（2001-）,女,河北保定人,博士,研究方向为反刍动物瘤胃微生物调控;马俊南（1990-）,女,河南周口人,博士,研究方向为反刍动物生理营养;原 昊（2001-）,男,河南新乡人,硕士,研究方向为反刍动物营养;鲁 琳（1969-）,男,山东郯城人,博士,教授,研究方向为动物健康养殖与环境控制。
  • 基金资助:
    家畜产业技术体系北京市创新团队（BAIC05）

Effects of Parabacteroides distasonis F4 on Growth Performance and Digestive Metabolism in Pre-weaning Holstein Heifer Calves

ZHENG Weijun1,2, FENG Xiaoran2, MA Junnan2, YUAN Hao2, TU Yan2,*, LU Lin1   

  1. 1. College of Animal Science and Technology,Beijing University of Agriculture,Beijing 102206;
    2. Institute of Feed Research,Chinese Academy of Agricultural Sciences,Key Laboratory of feed Biotechnology,Ministry of Agriculture,Beijing 100081
  • Online:2026-03-25 Published:2026-04-09

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摘要： [目的]研究日粮中添加不同浓度的狄氏副拟杆菌F4菌液对断奶前母犊生长性能、体尺指标和消化代谢的影响。[方法]选取36 头3~6 日龄健康荷斯坦母犊,随机分成3 组：对照组（CON）灌服20 mL生理盐水;低剂量组（PDL）每日2×109 CFU的F4菌液;高剂量组（PDH）每日2×1010 CFU的F4菌液;在每日晨饲前灌服饲喂。试验持续70 天,在35 天和70 天时测定母犊的生长性能和体尺指标,并在断奶前一周进行消化代谢试验。[结果]与CON相比,试验组平均日采食量和日增重无显著性差异,但在数值上PDL和PDH均高于CON。体尺指标方面,各个指标无显著性差异但数值上试验组均有增加。消化代谢试验显示,营养物质表观消化率等指标各组间未见统计学差异,数值上干物质、粗脂肪和中性洗涤纤维的表观消化率试验组均高于CON。[结论]狄氏副拟杆菌F4改善哺乳期荷斯坦母犊营养消化吸收,促进其生长的优势,本研究为狄氏副拟杆菌F4在幼龄反刍动物中的应用提供了初步参考。

关键词: 狄氏副拟杆菌F4, 荷斯坦母犊, 生长性能, 体尺, 消化代谢

Abstract: [Objective] To investigate the effects of dietary supplementation with different concentrations of Parabacteroides distasonis F4 on growth performance,body measurements,and digestive metabolism in pre-weaning Holstein heifer calves. [Method] Thirty-six healthy Holstein heifer calves aged 3~6 days were randomly divided into three groups：control group（CON）administered 20 mL of saline daily;low-dose group （PDL） administered 2×109 CFU of F4 bacterial solution daily;high-dose group （PDH） administered 2×1010 CFU of F4 bacterial solution daily. All treatments were administered before morning feeding. The experiment lasted 70 days,with growth performance and body size indicators of the calves measured at 35 and 70 days,and digestive and metabolic experiments conducted one week before weaning. [Result] Compared with CON,no significant differences were observed in dry matter intake （DMI） and average daily gain （ADG） in the treatment groups,although numerically,both PDL and PDH showed higher values than CON. For body measurements,no significant differences were detected in any indicators,but numerical increases were noted in the treatment groups. The digestion and metabolism trial revealed no significant differences in apparent digestibility of nutrients among groups;however,numerically,the apparent digestibility of dry matter （DM）,ether extract （EE）,and neutral detergent fiber （NDF） was higher in the treatment groups than in CON. [Conclusion] Parabacteroides distasonis F4 may improve nutrient digestion and absorption in suckling Holstein heifer calves,thereby promoting growth. This study provided a preliminary reference for the application of microbial agents in young ruminants.

Key words: Parabacteroides distasonis F4, Holstein heifer calves, growth performance, body measurements, digestive metabolism

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