US – About 77% of refrigerated colostrum contains such a high bacteria count, that it can make the calves sick. This is stated by Attica Veterinary Associates who based this conclusion on research done in the United States. When colostrum contains more than 100,000cfu/ml it can make the calves sick. Cfu stands for colony forming units. The researchers found that only 23% of the refrigerated colostrum samples had a bacteria count lower than this. Of the fresh samples, 67% stayed under 100
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