Pig manure can be used as fertiliser in agriculture and fish ponds. When properly reared and bred, a sow (female pig) can give birth to up to 12 piglets and they can do this for up to two times a ...
Pig manure can be used as fertiliser in agriculture and fish ponds. When properly reared and bred, a sow (female pig) can give birth to up to 12 piglets and they can do this for up to two times a ...
China's pig industry is notoriously inefficient ... It claims that it should on average lead a sow to rear three additional offspring a year, and reduce the death rate by 3%.