Resumo

JINGAR, S.C.; MEHLA, R.K.  e  SINGH, M.. Climatic effects on occurrence of clinical mastitis in different breeds of cows and buffaloes. Arch. zootec. [online]. 2014, vol.63, n.243, pp.473-482. ISSN 1885-4494.  https://dx.doi.org/10.4321/S0004-05922014000300008.

The study was conducted to find out the effect of different seasons on incidence of mastitis throughout the year in Indigenous cows, crossbred cows and Murrah buffaloes. Lactation records pertaining to the 12 year period were collected and incidence of mastitis was plotted against the climograph of the Karnal zone, Haryana, India. The hot humid climate was found to adversely affect the incidence of mastitis in all the breeds of cows and Murrah buffaloes. The incidence was significantly affected by the season (p<0.01) in all the breeds, however incidence was lowest in Murrah buffaloes in comparison to cows. Further incidence was more in Sahiwal and Tharparkar cows (p<0.01) than the crossbred Karan Swiss and Karan Fries cows. The increase in temperature humidity index resulted in increased incidence of mastitis in cows (p<0.01) but Murrah buffaloes were less affected.

Palavras-chave : Season; Temperature humidity index.

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