A.NPD B.LSY C.PSY D.PD
A.157 B.201 C.256 D.300
A.該批次斷奶仔豬數(shù)/該批次斷奶母豬數(shù) B.該批次斷奶仔豬數(shù)/該批次產(chǎn)活仔數(shù) C.該批次死淘數(shù)/該批次產(chǎn)活仔數(shù) D.該批次斷奶健仔數(shù)/該批次產(chǎn)活仔數(shù)