V. Заполните пропуски подходящими по смыслу словами: prolific litters, farrowing pens, suckling period, boar, pigsties
1. In winter sows and their ... are kept in... . 2. Pregnant sows are put into ... ... some days before farrowing. 3. During the breeding season the ... should be given some grain. 4. Unlike the other farm animals sows are highly... . 5. The ... ... in sows lasts about two months