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Neonatal calf diarrhea induced by rotavirus and coronavirus: a review

Amir Hooman Asadi, Mostafa Baghinezhad, Hamed Asadi

Faculty of Veterinary Medicine, Karaj Branch, Islamic Azad University, Karaj, Iran

Member of Economic Studies and Analysis Department (ESAD) and Assessor of Agriculture Bank of Iran

Department of Animal Science, Faculty of Agriculture, Karaj Branch, Islamic Azad University, Karaj, Iran

Key words: Rotavirus, Coronavirus, Calf, Diarrhea, Prevalence.


newbornDiarrhea is one of the most serious diseases in neonatal calves .It causes serious economic damages by reducing of weight gain and increasing mortality rate. Calves are at the greatest risk of diarrhea in a first month of life. Neonatal calf diarrhea is a complex syndrome with various etiologies. Several families of viruses cause diarrhea. However, rotavirus and coronavirus are two major causes of diarrhea in newborn calves. This review study summarizes the results of some studies on rota and corona viral diarrhea in calves. Most of these results indicate that rotavirus and coronavirus are widespread in diarrheic calves with considerable differences in prevalence rates in various geographical regions and seasons.


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