Transient infections are not in the main focus of the program as the clinical signs observed in adult animals are usually mild and only a few cases with massive clinical symptoms have been reported (Liebler et al., 1995, Martin et al., 2005). Nevertheless, farmers are advised to put ...
The cow would return to service and the failure to maintain pregnancy would be classified as an example of early embryonic death. Another possible outcome of infection is the death and subsequent resorption of fluids from the fetus that results in mummification. It is frequently OIE Terrestrial ...
How big a role does the bull play in BVD transmission? Semen is an excellent transmission vehicle for BVD virus. When a PI bull serves a naïve cow, early embryo loss is the most likely outcome until the dam develops immunity to the virus. Once immune, she should conceive as normal. ...