摘要：

For the third edition see Abst. 6845, Vol. 35.This revised edition deals with requirements for energy, protein, water, minerals and vitamins. Requirements are tabulated for 4 different weights of dry ewes and ewes in different stages of lactation, replacement lambs and yearlings, ram lambs and yearlings and fattening lambs. Conditions and diseases caused by mineral and vitamin deficiencies are...

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