A con-sideration of the techniques for estimation of milk yield by suckled sheep and a comparison of estimates obtained by two methods in relation to the effect of breed,level of production and stage of lactation

查看全文 作　　者：DONEY J M;PEART J N;SMITH W F; 出　　处：《The Journal of Agricultural Science》索引1979年第92卷第1期,共0页