Читать книгу Veterinary Treatment of Pigs - Graham R Duncanson - Страница 96

All partitions between pens should be solid. Open partitions allow pig-to-pig contact, which allows the spread of disease. Nose-to-nose contact between pigs in different batches should be avoided at all costs. Lower stocking densities help reduce stress for the pigs, which in turn will increase health levels. Weaners should be no closer than three pigs per square metre, i.e. 0.6 m² per pig. Growers and finishers should be allowed 3.75 m per pig. Pen size groups should ideally be a whole litter, i.e. 13 pigs per pen. Pigs should have plenty of room to access feeders. Greater access lowers the need to fight for food and therefore lowers stress levels. Chilling also causes stress so temperatures should vary as little as possible.