The age wise prevalence to IBR infection suggested an increasing trend as age advances with the prevalence being low in the young animals [ 33 – 37 ]; the prevalence of IBR in animals over three years of age was found to be higher than the lower age groups.
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Bovine herpesvirus 1 in the northeast of Algiers, Algeria: Seroprevalence and associated risk factors in dairy herd.
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