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Alvaro Garcia

Diarrhea or scours is the first leading cause of death in un-weaned heifer calves. It occurs most frequently between days 3 and 30 after birth, depending on the susceptibility of the individual animal and the cause of this multifactorial problem. According to the 2011 National Animal Health Monitoring System survey, diarrhea and digestive problems affect 25.3% of pre-weaned heifers and of these, 18.2% are treated. In addition, death rate in pre-weaned heifers is 7.8% with diarrhea accounting for 56.5% of this mortality.

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