By using the results of inexpensive ELISA tests to cull strongly positive cows and treat mildly positive cows, researchers have controlled Johne's disease outbreaks in nine herds over the past six years.
By using the results of inexpensive ELISA tests to cull strongly positive cows and treat mildly positive cows, researchers have controlled Johne's disease outbreaks in nine herds over the past six years. Click here to read more.
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