Lowering age at first calving has impact on carbon footprint

摘要

Lowering the age at first calving not only makes good economic sense for Jeff and Sarah Wheeler, but also means less meth-ane is emitted during rearing when animals are consuming inputs and not producing milk.By targeting fast early growth rates, the 35 heifers reared annually at Clyngwyn, Efailwen, calve at 22 months.