alexa Calf diseases and mortality in Swedish dairy herds.
Veterinary Sciences

Veterinary Sciences

Journal of Veterinary Science & Technology

Author(s): Olsson SO, Viring S, Emanuelsson U, Jacobsson SO

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Abstract A survey of the mortality and morbidity affecting calves during the first 3 months of life was carried out. Results are reported from 131 herds with altogether 5,050 calvings. These herds kept individual calf cards for all calves born. The incidences of abortions and stillborn calves were 0.6\% and 3.6\%, respectively. During the period 0-90 days the mortality and morbidity were 2.6\% and 11.0\%, respectively. The frequencies of enteritis and pneumonia in calves were 7.2\% and 0.8\%. Mortality and morbidity were influenced by breed, season, age of the dam and time of first colostrum. The frequencies of abortions, stillborn calves, mortality and morbidity varied considerably between herds. Herd factors influencing mortality and morbidity during different periods of time were: herd size, yield, zero-grazing, whether the calf was allowed to feed by suckling, the design of the calf pens, and previous incidence of infectious enteritis in the herd. On average, both mortality and morbidity in calves were low, though in certain herds, temporarily high frequencies were registered.
This article was published in Acta Vet Scand and referenced in Journal of Veterinary Science & Technology

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