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群体规模对保育仔猪生长性能的影响 被引量:1

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摘要 群体规模和地面空间占有量是影响猪只生存环境的二个重要因素,为了探索群体规模对保育仔猪生长性能的影响,试验选择健康仔猪280头,分别在A、B、C、D 4个独立单元的小栏(2.5 m×1.6 m)、中栏(5.0 m×1.6 m)、大栏(5.0 m×3.2 m)内转入保育仔猪10,20,40头,使其饲养密度统一为0.4 m2/头。结果表明:在相同饲养密度下,采用40头/栏和20头/栏的大中型群体饲养较10头/栏的小型群体饲养更有利于提高保育仔猪的饮水量、采食量和日增重;群体规模对转群初期保育仔猪的打斗行为时间有显著影响,且大栏内保育仔猪的躺卧、采食、饮水、打斗行为频次均高于中栏和小栏。说明在不影响保育仔猪发病率的情况下采用40头/栏的大群饲养模式可提高日增重,虽然其打斗频次有所增加,但从打斗时间来看无明显劣势,同时可以考虑增加玩具以分散猪只的注意力,减少打斗频次。
出处 《黑龙江畜牧兽医(下半月)》 北大核心 2016年第3期63-65,共3页
基金 现代农业产业技术体系建设专项资金项目(CARS-36) 重庆市科委项目(14303) 重庆市农发资金项目(15407 15408)
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