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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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