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Necrotising hepatopancreatitis (NHP), is also known as Texas necrotizing hepatopancreatitis (TNHP), Texas pond mortality syndrome (TPMS) and Peru necrotizing hepatopancreatitis (PNHP), [1] is a lethal epizootic disease of farmed shrimp. It is not very well researched yet, but generally assumed to be caused by a bacterial infection.
These signs were accompanied by mortalities, which reached up to 50-100% of an affected population of P. merguiensis within 4-8 weeks of disease onset. [1] [13] Soon after, cultured populations of four shrimp species from four separate culture facilities in Asia were found to be adversely affected by a disease of presumed viral etiology. [13]
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]
White spot syndrome (WSS) is a viral infection of penaeid shrimp.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.
Taura syndrome (TS) is one of the more devastating diseases affecting the shrimp farming industry worldwide. It was first described in Ecuador during the summer of 1992. In March 1993, it returned as a major epidemic and was the object of extensive media coverage.
Getty Images In August, as the price of shrimp soared to $5.80 a pound, CNN called the new price on headless crustaceans an "all-time high." But do you know what consumers today would call that price?
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.
Today, 6 million American children live with food allergies, and young Asian Americans like Wong’s son, now in college, are 40% more likely to develop one compared to the general population.