反刍与草食动物营养与饲料 RUMINANT AND HERBIVORE NUTRITION AND FEED

饲喂模式对蒙贝利亚×荷斯坦杂交犊牛生长性能、体尺指标及血清学指标的影响

  • 付瑶 ,
  • 王俊 ,
  • 李胜利 ,
  • 路永强 ,
  • 齐志国 ,
  • 郭江鹏
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  • 1. 北京市畜牧总站, 北京 100107;
    2. 中国农业大学动物科技学院, 北京 100193
付瑶(1992-),女,黑龙江哈尔滨人,畜牧师,硕士,从事反刍动物营养与饲料研究。E-mail:Msfy1455@163.com

收稿日期: 2021-01-26

  网络出版日期: 2021-08-11

基金资助

 

Effects of Feeding Pattern on Growth Performance, Body Size Indices and Serological Indices of Montbeliard×Holstein Crossed Calves

  • FU Yao ,
  • WANG Jun ,
  • LI Shengli ,
  • LU Yongqiang ,
  • QI Zhiguo ,
  • GUO Jiangpeng
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  • 1. Beijing General Station of Animal Husbandry, Beijing 100107, China;
    2. College of Animal Science and Technology, China Agricultural University, Beijing 100193, China

Received date: 2021-01-26

  Online published: 2021-08-11

Supported by

 

摘要

本试验旨在研究饲喂模式对蒙贝利亚×荷斯坦杂交犊牛(以下简称蒙荷杂交犊牛)生长性能、体尺指标及血清学指标的影响。选取30头蒙荷杂交犊牛,按出生日期、初生重分为3组,即颗粒化开食料组(CON组)、口感化开食料组(Te组)和颗粒化开食料加苜蓿干草组(PeA组),每组10头牛。CON组犊牛3日龄开始饲喂颗粒化开食料;Te组犊牛3日龄开始饲喂口感化开食料;PeA组犊牛3日龄开始饲喂颗粒化开食料,并在15日龄开始饲喂苜蓿干草。试验期10周。所有犊牛第8周断奶,试验期内每周跟踪记录犊牛的采食量、体重、体尺指标,并测定血清学指标。结果表明:1)饲喂模式对断奶后犊牛的开食料采食量的影响呈差异趋势(P=0.068),以Te组最高,PeA组次之,CON组最低。2)饲喂模式对断奶前后犊牛的体重和平均日增重无显著影响(P>0.05)。3)饲喂模式对断奶后犊牛的体长指数有显著影响(P<0.05),Te组体长指数显著高于CON组和PeA组(P<0.05)。饲喂模式对断奶前后犊牛的体躯指数和管围指数无显著影响(P>0.05)。4)饲喂模式对断奶前后犊牛的血清学指标无显著影响(P>0.05)。由此可见,在本试验3种饲喂模式下,断奶前蒙荷杂交犊牛生长性能、体尺指标及血清学指标无显著差异;断奶后蒙荷杂交犊牛体长指数呈显著差异,开食料采食量呈差异趋势,但其他指标无显著差异。

本文引用格式

付瑶 , 王俊 , 李胜利 , 路永强 , 齐志国 , 郭江鹏 . 饲喂模式对蒙贝利亚×荷斯坦杂交犊牛生长性能、体尺指标及血清学指标的影响[J]. 动物营养学报, 2021 , 33(8) : 4467 -4477 . DOI: 10.3969/j.issn.1006-267x.2021.08.027

Abstract

This experiment aims to study the effects of feeding pattern on growth performance, body size indices and serological indices of Montbeliard×Holstein crossed calves. Thirty newborn Montbeliard×Holstein crossed calves were selected and randomly assigned to 3 groups according to birth date and birth weight, which were pelleted starter group (CON group), texturized starter group (Te group) and pelleted starter with alfalfa hay group (PeA group), each group contained 10 calves. Calves in the CON group were fed pelleted starter from 3 days of age; calves in the Te group were fed texturized starter from 3 days of age; calves in the TeA group were fed pelleted starter from 3 days of age, and fed alfalfa hay from 15 days of age. The experiment lasted for 10 weeks. All the calves were weaned at 8 weeks, during the experiment, the feed intake, body weight and body size indices were recorded weekly, and the serological indices were measured. The results showed as follows:1) feeding pattern had difference trend to affect the starter feed intake of calves during post-weaning period (P=0.068), the Te group was the highest, the PeA group was the second, and the CON group was the lowest. 2) Feeding pattern had no significant effects on body weight and average daily gain of calves during pre-weaning and post-weaning periods (P>0.05). 3) Feeding pattern had significant effect on body length index of calves during post-weaning period (P<0.05), the body length index of Te group was significantly higher than that of CON group and PeA group (P<0.05). Feeding pattern had no significant effects on body trunk index and tube index of calves during pre-weaning and post-weaning periods (P>0.05). 4) Feeding patterns had no significant effects on serological indices of calves during pre-weaning and post-weaning periods (P>0.05). In conclusion, under the 3 feeding patterns in this experiment, the growth performance, body size indices and serological indices of Montbeliard×Holstein crossed calves during pre-weaning period have no significant differences; during post-weaning period, the body length index of Montbeliard×Holstein crossed calves has significant difference, and the starter feed intake has a trend of difference, but there are no significant differences in other indices.

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