Easy to identify since calf has red nose, mucopurlent, hemorrhages open mouth breathing, salivation, ocular discharge,cough and labored breathing. Infection results in increased risk of secondary bacterial pneumonia due to increased colonization of lower lung. intracytoplasmic inclusions
immunity to genital disease following recovery from respiratory disease and vice versa
Secretory IgA and cell-mediated immune (CMI) response which is important for (1) vaccine and recovery part
(2) Immunity component
Virashield (modified, live Type 1 and Type 2 BVD protection)
Research demonstrates Vira Shield can "prime" the immune system of young calves – even ones with high maternal antibodies2
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