KG (coefficient of MEG converted to NEG) was 0.68, 0.31 and 0.70 for sucker, growing lamb and ewe of single sucker, while KL (coefficient of MEL converted to NEL) was 0.647 and 0.635 for ewe of single and twin suckers, respectively.

• 吮乳羔羊、育成羔羊与哺乳单羔母羊的KG值分别为0.；68、0