文章摘要
郑心力,魏立民,晁哲,孙瑞萍,黄丽丽,王峰,王康才,刘圈炜.断奶日龄对临高仔猪生产性能的影响[J].广东农业科学,2013,40(1):114-115
断奶日龄对临高仔猪生产性能的影响
Effects of weaning age on production performances in Lingao piglets
  
DOI:
中文关键词: 断奶日龄  临高仔猪  生长性能  生长性状
英文关键词: weaning age  Lingao piglets  growth performance  growth characteristics
基金项目:海南省科学事业费项目(琼财教[2005]1173号);海南省重点科技计划项目(090136)
作者单位
郑心力,魏立民,晁哲,孙瑞萍,黄丽丽,王峰,王康才,刘圈炜 海南省农科院畜牧兽医研究所海南省热带动物繁育与疾病研究重点实验室海南科裕农牧技术有限公司 
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中文摘要:
      为研究断奶日龄对临高仔猪生产性能的影响,选取遗传背景相近、初生体重一致(0.73±0.029kg)的临高仔猪共120头,随机分到4个处理组中,分别采取21日龄(试验Ⅰ组)、28日龄(试验Ⅱ组)、35日龄(试验Ⅲ)和42日龄(试验Ⅳ组)断奶。试验期从断奶日龄到60 日龄。结果表明:试验Ⅲ组的断奶体重、60日龄体重和平均日增重都显著高于试验 Ⅰ、Ⅱ组,而料重比则显著低于试验Ⅰ、Ⅱ组,但与试验Ⅳ组间差异不显著。断奶时,试验Ⅲ组的胸围和体高均显著高于试验Ⅰ组;60 日龄时,试验Ⅲ组的胸围和体长都显著高于其他试验组,而体高也显著高于试验Ⅰ、Ⅱ组。综合认为,临高仔猪可以采用35 日龄断奶。
英文摘要:
      In order to investigate the influences of weaning age on production of Lingao piglets, 120 piglets (1-day-old)with average initial weight of 0.73 (±0.029) kg and the similar genetic backgrounds were randomly divided into four treatments. Piglets were weaned at the age of 21 days(group Ⅰ), 28 days (group Ⅱ), 35 days (group Ⅲ), and 42 days (group Ⅳ). The experimental period lasted from the weaning age to the age of 60 days. The results showed that: 1)Weaning age weight, 60-d weight and average daily gain of group Ⅲ were significantly higher than those of group Ⅰand group Ⅱ(P<0.05) while feed/gain rate was significantly lower than those of group I and group Ⅱ (P<0.05 ), but there were no significant differences between group Ⅲ and Ⅳ(P>0.05). (2) At the weaning age, chest circumference and body height of group Ⅲ were markedly higher than those of group Ⅰ (P <0.05); At the age of 60 days, chest circumference and body length of group Ⅲ were markedly higher than those of other groups (P<0.05), and body height of group Ⅲ was also markedly higher than those of group Ⅰ and group Ⅱ (P<0.05). In conclusion, it suggested that Lingao piglets could be weaned at the age of 35 days.
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