Friday, November 17, 2017
On Friday, we treated the cows for different types of worms. We used a topical Ivermectin; the amount of which was determined by a ratio of 1 mL per 22 pounds of cow. We did topical instead of systematic because they all eat out of the same trough and therefore we could not guarantee that all of the cows would get enough, and we could not feed them a paste because they would spit it out. We applied to Ivermectin from the top of the withers to the top of the dock. It is good to rotate different wormers to cover different types of worms, because if you constantly use the same wormer, the worms will develop an immunity to it. If you don't deworm cows, they can develop problems such as diarrhea, worms in their feces, itching at their rump, kicking their stomach, and rubbing up against things (which can lead to injury if they rub against something sharp). Generally, farmers test for worms around every six months to see what type of worms they have and if they need to be dewormed.
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