搜索结果: 1-1 共查到“畜牧学其他学科 Object”相关记录1条 . 查询时间(0.202 秒)
THE COMPARISON OF THE BEHAVIOUR OF WEANERS HOUSED AFTER MIXING IN PEN EQUIPPED WITH A HANGING TOYS: OBJECT FOR BITING AND WOODEN BALL
weaners aggression environmental enrichment
2010/12/3
The behaviour of weaners after mixing housed in pens equipped with hanging fl exible, destructible object for biting, hanging non-destructible wooden ball and without enrichment was evaluated. It was ...