Читать книгу Veterinary Treatment of Pigs - Graham R Duncanson - Страница 92
Animal Husbandry Procedures to Help Disease Control ‘All-in, all-out’
ОглавлениеIdeally this should apply to the whole farm. However, it may still be helpful by building, but is it is unlikely to be helpful just by pen. It must be strictly applied. There must be no half measures. ‘All-in all-out’ means just that.
