English to Polish Tech/Engineering Livestock / Animal Husbandry higiena na fermach drobiu

The whole poultry site should be managed on an all-in all-out basis where possible.
All units within a clearly defined bio-secure area must operate a period free of all livestock between flock cycles. Multi age sites are permissible provided there is a break period free from stock for each of the defined bio-secure areas

Chodzi o higienę prowadzenia kurzej fermy, czasami trzeba całkowicie opróżnić dany kurnik (pewnie żeby wszystko oczyścić i zdezynfekować).