Pastured heifers benefit from teat sealant

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Infusion of a teat sealant about 30 days before first calving reduced the risk of clinical mastitis after calving by 68 percent, according to a New Zealand study in the January Journal of Dairy Science. Infusion also reduced the risk of post-calving Strep. uberis infection by 84 percent. The 255 animals used in the study were from five seasonal-calving, pasture-fed herds. Strep. uberis is the most common cause of clinical mastitis in grazing herds in New Zealand, say the authors.

Clinical mastitis was defined as that which resulted in clinical signs and the presence of bacteria.



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