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oa Farming in South Africa - Kalwersiektes oorsake, behandeling en voorkoming

Volume 46, Issue 1
  • ISSN : 0014-8490

 

Abstract

Gepaard met 'n lae kalfpersentasie bly verliese van kalwers gedurende die eerste lewensmaande die belangrikste probleem van die bees- en melkboer.

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/content/farmsa/46/1/AJA00148490_1985
1970-04-01
2016-12-10

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