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Fırat Üniversitesi Sağlık Bilimleri Veteriner Dergisi
2001, Cilt 15, Sayı 2, Sayfa(lar) 275-286
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Pathological Investigations on Mastitis in Cows Slaughtered at the Elazığ Elet Abattoir
Hayati YÜKSEL, Erkan KARADAŞ
Fırat Üniversitesi Veteriner Fakültesi, Elazığ / TÜRKİYE
Keywords: Cow, Mastitis, Pathology.

The aim of this study was to determine the incidence of clinical and subclinical mastitis in cows slaughtered at the Elazığ Elet abattoir and to examine pathomorphological changes in udder lobes of these animals. For this purpose, a total of 7800 udder lobes from 1950 cows were examined clinically, by inspection and palpation at the abattoir and California Mastitis Test (CMT) was also performed on 7552 udder lobes of 1888 cows. Additionally, standard bacteriological cultures were prepared from udder lobes with clinical mastitis or which were CMT positive and the isolates were identified. Clinical mastitis was observed in 62 of 1950 (3.18 %) cows examined by palpation and inspection and in a total of 84 (1.07 %) udder lobes of these animals. Subclinical mastitis was determined in 98 of 1888 (5.02 %) cows which had no evidence clinical mastitis and among these animals 122 udder lobes (1.56 %) were found to have subclinical mastitis. In the bacteriological culturing of 206 udder lobes samples from 160 cows, different microorganisms were isolated and identified from 132 lobes whereas no agents were isolated from the remaining 74 udder lobes.

In histopathological examination, 206 (2.63 %) udder lobes belonging to 160 (8.20 %) cows were diagnosed mastitis by clinical examination or CMT. The changes determined were mastitis and galactophoritis purulenta catarrhalis acuta in 27 (0.35 %) udder lobes of 25 (1.28 %) cows; mastitis and galactophoritis catarrhalis chronica in 119 (1.53 %) udder lobes of 88 (4.51 %) cows; mastitis gangrenousa acuta in 5 (0.06 %) udder lobes of 4 (0.20 %) cows; mastitis apostematosa purulenta chronica in 24 (0.31 %) udder lobes of 18 (0.92) cows and mastitis interstitialis nonpurulenta in 14 (0.18 %) udder lobes of 11(0.56 %) cows. No histopathological changes were determined in 17 (0.22 %) udder lobes of 14 (0.71 %) cows.


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