North American Veterinary Licensing Examination (NAVLE) Aquatics Practice Exam

The virus responsible for causing Spring viremia of carp is indeed a Rhabdovirus. This specific viral infection primarily affects carp and can lead to significant mortality in fish populations, particularly during the spring months when water temperatures start to rise, hence the name "Spring viremia of carp." Rhabdoviruses are known for their bullet-shaped morphology and can cause various diseases in different species, including the well-documented Spring viremia in cyprinid fish, especially carp. The pathogenesis of Rhabdovirus involves a systemic infection that can result in various clinical signs in affected fish, including erratic swimming, surface breathing, and inflammation of internal organs. Additionally, this disease has significant implications for aquaculture and wild fish populations, making it vital for veterinary professionals to recognize and manage it effectively. Understanding the etiology of such viral diseases aids in implementing control measures to prevent outbreaks and mitigate economic losses in the aquaculture industry, emphasizing the relevance of Rhabdovirus in aquatic veterinary medicine.