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Earth sciences / Ciencia Rural, "Anamnestic response against bovine viral diarrhea virus and bovine herpesvirus type 1 in young Holstein heifers vaccinated with four different commercial formulations/Resposta anamnéstica contra o vírus da diarreia viral b
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INTRODUCTION Calves are born stressed and immunosuppressed, with agammaglobulinemia and an immature adaptive immune system…