母猪卧向行为学的观察

本文通过2个试验对母猪在分娩圈和分娩栏中的卧向行为进行了观察,试验一中, 选择10头大白(Yorkshire)经产母猪作为观察对象,试验二中分别选择10头大白(Yorkshire) 经产母猪和10头长白(Landrace)经产母猪作为观察对象。观察采用瞬时记录方法,每周观察 三次,隔日观察,每天上午、下午各观察一次,每次3 h,每次观察间隔5 min。观察中发现,母猪 卧向以向外为主。分娩栏(四周是栏杆)中的母猪以选择卧向外(向北)为主,其次是卧向内(向 南),卧向左和卧向右最少且差异不显著,上栏前和下栏后差异不显著。分娩圈(四周是墙壁)中 母猪以选择卧向外为主,卧向内最少,卧向左和卧向右差异不显著。长白母猪比大白母猪选择 卧向外的多,妊娠阶段比哺乳阶段选择卧向外的多。

Observation of Posture Patterns and Behavioural Activites of Sows

Posture patterns and behavioural activities were observed in farrowing crate and pen. In test group 1, the multiparous Yorkshire were choosen, and ten mutiparous Yorkshire and Landrace were choose to observed in test 2. Adopting twinkling record method, the sows were observed 3 times a week, that means every two days. At every observing day, the sows were observed two time, each in the morning and each in the afternoon. Every observation used 3 h, once every 5 min. From observation, we fund the sows' main orientation preference in farrowing pen is laying toword the outside (north), the second choice is toward inside (south), towards right or left is less or no obvious, the difference is no obvious before and after farrowing. In forrowing orate (wells around), the orientation preference of lying is toward outside, toward inside is less. The difference is not obvious to lay toward right or left. Yordshire likes to choose outside more than Landrace, they choose more toward outside during their gestation period than breast-feeding period.