Monoclonal antibody against bovine parainfluenza virus type 3, SF4 strain specific for 69 kDa protein. IgG2a isotype. Suitable for virus neutralization, hemagglutination inhibition, and indirect immunofluorescence. This monoclonal antibody is produced as mouse ascites fluid, clarified by centrifugation, and filtered through a 0.2 micrometer filter. The antibody concentration is 1.0 mg/ml in phosphate-buffered saline, stabilized with 4 mg/ml bovine serum albumin (BSA) and preserved with 0.09% sodium azide.