... and we need not concern ourselves regarding it. Occasionally, especially in feeding young animals or in cases where the ration consists very largely of grain, it is desirable to add precipitated chalk, wood ashes, or precipitated phosphate of lime...
Profitable Dairying: A Pracitical Guide to Successful Dairy Management - Página 76
por Charles Leroy Peck - 1906 - 174 páginas
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