Short Communication

Mycoplasmal mastitis in dairy cows in the Moghan region of Ardabil State, Iran : short communication

C. Ghazaei
Journal of the South African Veterinary Association | Vol 77, No 4 | a382 | DOI: https://doi.org/10.4102/jsava.v77i4.382 | © 2006 C. Ghazaei | This work is licensed under CC Attribution 4.0
Submitted: 11 June 2006 | Published: 11 June 2006

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C. Ghazaei,

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Abstract

Mycoplasmas are an important and economically significant cause of mastitis in dairy cows in various parts of the world. The organisms are highly contagious, with the main reservoir of infection originating from cows with subclinical mastitis. In 1998 the 1st cases of bovine mastitis due to Mycoplasma bovis were diagnosed in Ardabil State, Iran. An investigation was carried out with the aim of establishing the extent of mycoplasma infections in dairy cows in Ardabil State. Milk samples obtained from 80 cows with clinical mastitis were cultured in the laboratory for the presence of mycoplasmas. Similarly, 48 bulk-tank milk samples were examined for the presence of mycoplasmas. A modified Hayflick broth was used to isolate the mycoplasmas and an immunoperoxidase test used for the species identification of the isolates. Mycoplasma bovis was isolated from 39 (48.75 %) of the clinical mastitis samples and from 48 of the bulk-tank milk samples tested. This indicated that mycoplasma udder infections were more prevalent in dairy cows in Ardabil State than previously thought.

Keywords

Cow; Mastitis; Milk; Mycoplasma

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