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Farmer's worming program boosts weight of replacement heifers
Wisconsin dairy farmer Mark Metcalf used a sustained release worming bollus on 100 Holstein calves, yielding about 100 pounds more gain per animal on pasture and saving labor for artificial insemination. Pfizer researchers note typical first-year gains around 44 pounds, with pasture cleaning enhancing results.
MENTIONED IN THIS ARTICLE
Mark Metcalf
Metcalf
Pfizer Co
Mr. Metcalf
Pfizer