求翻译：仔猪保育阶段。断奶7天后强弱分群、仔猪平均两窝并一栏，转入仔猪保育舍培育至8周龄转群，仔猪在保育舍饲养4周。是什么意思？

Piglets conservation stage. 7 days after weaning the strength of grouping piglets and an average of two litters a column, into the cultivation of nursery pigs to turn 8 weeks old group, piglets in the nursery feeding for 4 weeks.

Pig conservation stage. Weak weaning 7 days average of two sub-groups, piglets, column transferred to Mui Wo and a pig care homes to nurture and 8 week-old pigs in conservation groups, livestock premises 4 weeks.

Newborn pig care stage.After is weaned 7 day the strong and the weak to hive off, the newborn pig average two nests and a fence, changes over to the newborn pig care shed cultivation to transfer the group to 8 weeks ages, the newborn pig stalls-feed in the care raises 4 weeks.

Piglet stage of conservation. Weaned after 7 days of weak group, average two nests for piglets and a bar, residents cultivate to an 8-week-old going into piglets conservation group, piglets in conservation care feeding for 4 weeks.

Piglet stage of conservation. Weaned after 7 days of weak group, average two nests for piglets and a bar, residents cultivate to an 8-week-old going into piglets conservation group, piglets in conservation care feeding for 4 weeks.