Gene mutation causes juvenile mortality in calves

Big data study identifies cause for respiratory diseases in Braunvieh and Fleckvieh cattle.

Respiratory diseases are among the most common ailments in calves. Hubert Pausch, the chair of animal breeding at the Technical University of Munich (TUM) in Germany, and his team have been able to trace a gene mutation in both the Braunvieh and Fleckvieh breeds of cattle. A recessive mutation that alters the structure of the cilia of the airways is the culprit. It only manifests in homozygous animals, which means that both parents were carriers of the mutation.

The altered structu

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