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Daily News

03.05.10

Periparturient use of parenteral micronized procaine penicillin to reduce the risk of clinical mastitis in heifers after calving

Peripartum mastitis in heifers can be a significant problem for dairy herds, resulting in loss of milk premiums, decreased production and premature culling. Several interventions (prepartum intramammary antimicrobial infusion, external and internal teat sealants) have been evaluated. This study evaluated the effect of a single parenteral dose (15 million IU procaine penicillin) IM within 12 hours post calving. 594 heifers (treatment n=218, control n=376) from herd with a high prevalence of heifer mastitis were enrolled. Treatment reduced the incidence of clinical mastitis by half within the first 7 days of lactation. There was no significant effect beyond 7 day in milk.

Ressources

Bryan, M. and K. Taylor. 2009. Periparturient use of parenteral micronized procaine penicillin to reduce the risk of clinical mastitis in heifers after calving. Vet. Micro. 134 (1-2):143-149