Copper deficiency in ruminants in the South East of South Australia
Autor: | GJ Judson, J Gouzos, JD McFarlane |
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Rok vydání: | 1990 |
Předmět: |
geography
Irrigation geography.geographical_feature_category Peat business.industry chemistry.chemical_element Biology medicine.disease Pasture Copper Agronomy chemistry medicine Environmental management system Livestock General Agricultural and Biological Sciences Copper deficiency business Calcareous |
Zdroj: | Australian Journal of Experimental Agriculture. 30:187 |
ISSN: | 0816-1089 |
DOI: | 10.1071/ea9900187 |
Popis: | Pasture development in the South East of South Australia has depended upon trace element enriched fertiliser applications. Despite the wide usage of copper-enriched fertilisers, copper deficiency is still evident in livestock at pasture, particularly cattle. Serum collected from cows and heifers during the systematic sampling program of the Brucellosis and Tuberculosis Eradication Scheme was analysed for copper. Of the 3611 pooled herd samples analysed, approximately 9% had low serum copper concentrations ( |
Databáze: | OpenAIRE |
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