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Joel Franks
Dairy Technical Services Veterinarian at Zoetis and frequent dairy-industry commentator on mastitis prevention and milk quality.
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Oct 7, 2026
American Ag Today- 10/7/26
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1:42Joel FranksGUEST
But, uh, to set, uh, a bar, uh, what we lost, if that cow gets a clinical mastitis in the first 60 days, the rest of her lactational curve is hit by 1,000 pounds.
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1:58Joel FranksGUEST
And many people think, "Oh, yeah, I lost milk on her with that clinical in the first 60 days 'cause I had to take her out of the, out of the tank and had to treat her and she dropped a little bit, but she came back." No, that lactational curve is hit for 1,000 pounds.
World Dairy Expo: Zoetis Discusses Protecting Milk Quality and Production
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0:48Joel FranksGUEST
But, uh, to set, uh, a bar, uh, what we lost, if that cow gets a clinical mastitis in the first 60 days, the rest of her lactational curve is hit by 1,000 pounds.
J
1:04Joel FranksGUEST
And many people think, "Oh, yeah, I lost milk on her with that clinical in the first 60 days 'cause I had to take her out of, out of the tank and had to treat her and she dropped a little bit, but she came back." No, that lactational curve is hit for 1,000 pounds.
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1:18Joel FranksGUEST
That being said, same scenario, you got this cow come in with a subclinical mastitis.
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1:27Joel FranksGUEST
Milk even looks good, but until you test, you find that her cell count is over 200,000.