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J Am Vet Med Assoc. 1976 Sep 1;169(5):521-3.

Bulling among yearling feedlot steers.


In a survey to determine the cause of illness and deaths among yearling feedlot cattle, bulling was found to be one of the major problems. During the years 1971-1974, 54,913 (2.88%) steers became bullers and represented an annual loss of around +325,000. Some of the causes of bulling were found to be hormones, either as implants or in the feed. In 1974, from 1,988 necropsies, it was determined that 83 steers died from riding injuries.

[Indexed for MEDLINE]

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