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OJVRTM

Online Journal of Veterinary Research©

Volume 19(12): 790-795, 2015.

 

Incidence of reproductive disorders in Holstein dairy herds in Iran.

 

Naser Nasiri1, Hamid Sharifi PhD2, 3

 

1Epidemiology, Rafsanjan University of Medical Ssciences, Rafsanjan,  2Research Center for Modeling in Health, Institute for Futures Studies in Health, Kerman University of Medical Sciences, 3Department of Food Hygiene and Public Health, Faculty of Veterinary Medicine. Shahid Bahonar University of Kerman, Kerman, Iran.

 

ABSTRACT

 

Nasiri N, Sharifi H.,  Incidence of reproductive disorders in Holstein dairy herds in Iran, Onl J Vet Res., 19(12): 790-, 2015. We report cumulative incidence of uterine infection, ovarian cysts, retained placenta and dystocia from 10506 Holstein cows in 32 dairy herds from Tehran, Iran.  The cows calved from March 2007 to March 2008 and were monitored until next calving or culling.  Cumulative incidence and 95% confidence interval (CI) of uterine infection was 23.4%; 95% CI: 22.6-24.2, ovarian cysts 10.3%; 95% CI: 10.3-10.7, retained placenta 10.7%; 95% CI: 10.2-11.3 and dystocia 0.78%; 95% CI: 0.62-0.97. Results suggest a higher incidence for reproductive disorders in Iran compared with similar studies elsewhere. 

 

Key words: cumulative incidence, reproductive disorders, dairy herds, Iran.

 

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