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Related Experiment Videos

[Drying off cows: a comparative study with two dry cow products].

O C Sampimon, J C Vernooij, J Sol

    Tijdschrift Voor Diergeneeskunde
    |October 30, 2003
    PubMed
    Summary

    Two antibiotic dry cow treatments showed equal effectiveness against common mastitis pathogens like streptococci. Both products were highly effective, with no significant differences observed in cure rates or new infection incidence during the dry period.

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    Area of Science:

    • Veterinary Medicine
    • Animal Health
    • Dairy Science

    Background:

    • Bovine mastitis remains a significant concern in dairy herds, impacting milk quality and animal welfare.
    • Dry cow therapy is a critical intervention to manage intramammary infections during the non-lactating period.
    • Increased bulk milk somatic cell count (BMSCC) and individual cow somatic cell count indicate herd-level or cow-level infection pressure.

    Purpose of the Study:

    • To compare the efficacy of two distinct antibiotic dry cow products under field conditions.
    • To evaluate the effectiveness of cloxacillin and penicillin-neomycin based treatments against specific mastitis pathogens.

    Main Methods:

    • A field trial involving 397 cows on 73 Dutch dairy farms from September 1998 to September 1999.
    • Cows were selected based on elevated bulk milk somatic cell count (BMSCC) and individual cow somatic cell counts at drying off.

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  • Treatment involved two antibiotic-containing dry cow products: cloxacillin and penicillin-neomycin.

    • Main Results:

    • Both antibiotic treatments demonstrated high efficacy against streptococci and penicillin-sensitive staphylococci.
    • Due to low incidence, no definitive conclusions could be drawn regarding efficacy against Escherichia coli or penicillin-resistant staphylococci.
    • No significant differences were detected between the two products concerning cure rates, new infection incidence, clinical mastitis occurrence, or individual cow cell count trends during the dry period.

    Conclusions:

    • Both evaluated dry cow antibiotic products are effective in treating existing infections and preventing new ones caused by susceptible bacteria.
    • The study found no significant difference in the overall efficacy of cloxacillin versus penicillin-neomycin dry cow treatments in this field setting.
    • Further research may be needed to assess efficacy against less common pathogens like E. coli and resistant staphylococci.