patriarch
发表于 2025-4-1 05:53:47
Border disease of sheep—Aspects for diagnostic and epidemiologic considerationhalf of gestation. The variations in expression of the virus directly relate to the age of the fetus at the time of infection. There are four distinct disease syndromes: (1) early embryonic death, (2) abortion and stillbirth, (3) birth of lambs with malformations, and (4) birth of small, weak lambs,
refine
发表于 2025-4-1 07:08:02
A study of some pathogenetic aspects of bovine viral diarrhea virus infectioncytopathic (NCP) New York-1 strain, remained clinically normal. When calves were immunosuppressed with dexamethasone (DMS) they underwent an overt, generally fatal disease. This result was obtained with either the CP and the NCP strain of BVDV. It was speculated that the immunosuppressive activity o