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. 2016 Jun 1;78(5):917-20.
doi: 10.1292/jvms.15-0689. Epub 2016 Feb 9.

Factors associated with marketable milk production recovery after treatment of naturally occurring acute coliform mastitis

Yasunori Shinozuka  1 , Sohei Kaneko, Tomoyasu Kurose, Aiko Watanabe, Kana Kuruhara, Kazuhiro Kawai
Affiliations

Factors associated with marketable milk production recovery after treatment of naturally occurring acute coliform mastitis

Yasunori Shinozuka et al. J Vet Med Sci. .

Abstract

Milk production loss after recovery from acute coliform mastitis causes major economic losses for dairy industries. Declines in milk production and composition are caused by multiple factors, including cow factors, microorganisms and treatments, but the influence of each factor has not been determined. To investigate risk factors for milk loss after treatment for acute coliform mastitis, multiple logistic regression analyses were conducted in 53 clinical cases. Systemic administration of fluoroquinolone was significantly associated with recovery of marketable milk production. The time to slaughter was significantly shorter in cows with complete loss of quarter milk production than in cows that produced marketable milk. In this study, we identified factors associated with increased risk of milk production loss.

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Figures

Fig. 1.
Fig. 1.
Kaplan-Meier survival curves for milk production after acute mastitis. The survival rate of cows producing marketable milk was significantly greater than that of cows with complete milk loss in a quarter (P=0.046, log-rank test).
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