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New Zealand Veterinary Journal, Vol. 21, Iss. 9, 1973-09 ,pp. : 183-194

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Prevention of selenium deficiency in grazing animals by annual topdressing of pasture with sodium selenate

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Variation in infection levels with gastrointestinal nematodes in first-year grazing calves in The Netherlands

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Biological control of trichostrongyles in calves by the fungus Duddingtonia flagrans fed to animals under natural grazing conditions

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