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The disease is highly lethal and contagious, killing shrimp quickly. Outbreaks of this disease have wiped out the entire populations of many shrimp farms within a few days, in places throughout the world. White spot syndrome virus (WSSV) is the lone virus of the genus Whispovirus (white spot), which is the only genus in the family Nimaviridae. [1]
Yellowhead disease (YHD) is a viral infection of shrimp and prawn, in particular of the giant tiger prawn (Penaeus monodon), one of the two major species of farmed shrimp.The disease is caused by the Yellow head virus genotype 1 (YHV1), a positive-strand RNA virus related to coronaviruses and arteriviruses.
The shrimp-farming industry has developed several broodstocks of both P. stylirostris and P. vannamei that are resistant against IHHN infection. [1] The disease is caused by a single-stranded DNA virus of the species Decapod pestylhamaparvovirus 1, earlier known as IHHN virus, the smallest of the known penaeid shrimp viruses (22 nm). [2]
Other diseases affecting shrimp farms include white spot syndrome, monodon baculovirus, infectious hypodermal and hematopoietic necrosis, hepatopancreatic parvovirus, yellowhead disease, Taura syndrome, shell disease, infectious myonecrosis, and filamentous bacterial disease. [12]: 9–11
Diagram of Litopenaeus setiferus. Litopenaeus setiferus (also accepted: Penaeus setiferus, [1] and known by various common names including Atlantic white shrimp, white shrimp, gray shrimp, lake shrimp, green shrimp, green-tailed shrimp, blue-tailed shrimp, rainbow shrimp, Daytona shrimp, Mayport Shrimp, common shrimp, southern shrimp, and, in Mexico, camaron blanco) is a species of prawn found ...
Causes and treatments for white spots on nails Trauma "The most common cause of a white spot is trauma," Lipner says. And, when trauma is the culprit, it's often from manicuring. Filing, gel ...
The symptoms and life-cycle are generally similar to those of Ichthyophthirius in freshwater fish, including white spots, on account of which Cryptocaryon is usually called marine ich. However, Cryptocaryon can spend a much longer time encysted. Fish that are infected with Cryptocaryon may have small white spots, nodules, or patches on their ...
I spent two days in Toulouse, which Lonely Planet dubbed the top city to visit in 2025.. Nicknamed the "Pink City," Toulouse is home to several universities and iconic sites.