Corrigenda: César Marcial Escobedo-Bonilla, José Luis Ibarra Rangel (2014) Susceptibility to an inoculum of infectious hypodermal and haematopoietic necrosis virus (IHHNV) in three batches of whiteleg shrimp Litopenaeus vannamei (Boone, 1931). ZooKeys 457: 355–365. doi: 10.3897/zookeys.457.6715
2016
Escobedo-Bonilla,Cesar Marcial | Ibarra Rangel,Jose Luis
The present study evaluated the susceptibility of three different batches of whiteleg shrimp Litopenaeus vannameifrom Mexico to an inoculum of infectious hypodermal and haematopoietic necrosis virus (IHHNV).Each of the three shrimp batches came from a different hatchery. Because of their origin, it was possiblethat the genetic makeup of these batches was different among each other. The three batches tested showeddifferences in IHHNV susceptibility. Here, susceptibility is defined as the capacity of the host to becomeinfected, and it can be measured by the infectivity titer. Susceptibility to IHHNV was observed in decreasingorder in shrimp from batch 1 (hatchery from El Rosario, Sinaloa), batch 3 (hatchery from Nayarit)and batch 2 (hatchery from El Walamo, Sinaloa), respectively. The largest susceptibility difference betweenbatches was 5012 times, and that between early and late juveniles from the same batch was 25 times. Theseresults indicate that within a species, susceptibility to a pathogen such as IHHNV can have large differences.Susceptibility to pathogens is an important trait to consider before performing studies on pathogenesis. Itmay influence virological parameters such as speed of replication, pathogenicity and virus titer. In order toevaluate the potential use of IHHNV as a natural control agent against white spot syndrome virus (WSSV),it is necessary to know host susceptibility and the kinetics of IHHNV infection. These features can help todetermine the conditions in which IHHNV could be used as antagonist in a WSSV infection.
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