The condition is usually sporadic but may also affect an unacceptionally high proportion of the herd.
The condition is usually sporadic but may also affect an unacceptionally high proportion of the herd.
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The cause is multifactorial,
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The cause is multifactorial, involving poor husbandry, inadequate feeding, parasites, and intestinal malabsorption which may be due to damage by parasites or another clinical disease.