Prevalence of subclinical mastitis in Finnish dairy cows: changes during recent decades and impact of cow and herd factors

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منابع مشابه

Prevalence of subclinical mastitis in Finnish dairy cows: changes during recent decades and impact of cow and herd factors

BACKGROUND The dairy industry has undergone substantial structural changes as intensive farming has developed during recent decades. Mastitis continues to be the most common production disease of dairy cows. Nationwide surveys of mastitis prevalence are useful in monitoring udder health of dairy herds and to study the impact of structural changes on the dairy industry. This survey on bovine sub...

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The prevalence of clinical and subclinical mastitis in dairy cows in the central region of Fars province, south of Iran

licensed dairy farms in the central region of Fars province were randomly selected in order to participate in aseasonal prevalence study. A cross-sectional study was designed to determine prevalence at cow and quarterlevel based on clinical signs for clinical mastitis and indirect tests for subclinical mastitis. 6180 quarters from1545 dairy cows were tested by clinical examination and Californi...

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Investigation of Biological and Economic Changes in Herd of Dairy Cows Using Optimization Models

The aim of this study was to identify the factors affecting the culling of dairy cows and their impact on reproductive performance and costs of the herd so that optimal decisions can be made in replacing dairy cows and thereby increase the annual income of dairy cattle. For this purpose, data collected from four active cattle breeding units in Ardabil province (including biological parameters a...

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Comparison of cow-side diagnostic tests for subclinical mastitis of dairy cows in Musanze district, Rwanda.

Four subclinical mastitis diagnostic tests (the UdderCheck® test [a lactate dehydrogenasebased test], the California Mastitis Test [CMT], the Draminski® test [a conductivity-based test] and the PortaSCC® test [a portable somatic cell count-based test]) were compared in a study comprising crossbreed dairy cows (n = 30) during September and October 2015. Sensitivity and specificity of the CMT, Dr...

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ژورنال

عنوان ژورنال: Acta Veterinaria Scandinavica

سال: 2017

ISSN: 1751-0147

DOI: 10.1186/s13028-017-0288-x