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18~25日龄仔猪对乳头状玩具偏好的研究 被引量:1

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摘要 为了研究仔猪对乳头状玩具的偏好,试验选取健康的18~25日龄同窝大×长二元仔猪8头(公母随机),通过全程录像分别观察仔猪对大、小乳头状玩具,高、低乳头状玩具,固定、旋转乳头状玩具的操纵行为时间和攻击频率,并对仔猪对操纵玩具的特定行为(啃咬、吮吸、拱掀)的持续时间进行比较分析。结果表明:仔猪对大乳头状、低高度、可移动旋转的玩具平均操纵时间更长(P<0.01);三种操纵行为中对啃咬行为表达极显著(P<0.01)。说明18~25日龄的仔猪偏好放置高度低的可移动旋转的大乳头状玩具,且能更好地表达啃咬行为。
出处 《黑龙江畜牧兽医》 CAS 北大核心 2019年第4期52-54,共3页 Heilongjiang Animal Science And veterinary Medicine
基金 黑龙江省大学生创新创业训练计划项目(201710223010)
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