Modification of the method of sockeye salmon egg treatment with iodinol from infectious hematopoietic necrosis virus in Kamchatka Hatchery
https://doi.org/10.36038/2307-3497-2020-182-128-138
Abstract
In world practice, at salmon hatcheries, eggs are disinfected with iodophor after fertilization, because the substance - the carrier of iodine is pyrrolidone, which has toxic properties for embryos and is capable of destroying biological membranes. In Russia, eggs are also disinfected after fertilization, but using iodinol. In this disinfectant, active iodine is in the form of an iodine- starch complex, which is safe for biological membranes, and can be used (concentration of active iodine 100 mg/l, pH within 7) instead of water during fertilization of eggs. On the example of long-term data of Malkinskii Hatchery (MH), it was shown that the mortality of egg and juveniles does not increase from the egg disinfection directly with iodinol during fertilization. The experimental studies of 2017 did not show any significant differences in the mortality of egg and juveniles at the MH after egg fertilization in water and in iodinol under other similar conditions of rearing. The disinfectant has no toxic effect on biological membranes and can be recommended for the disinfection of salmon egg directly in the process of fertilization for the prevention of fish viral and bacterial diseases. Iodinol is a promising drug for the fight against diseases with vertical transmission of the pathogen inside the egg. The proposed modification of the method of egg treatment can significantly reduce the consumption of the disinfectant and manipulations with eggs.
About the Authors
S. L. Rudakova
Kamchatka Branch of FSBSI «VNIRO» («KamchatNIRO»)
Russian Federation
Russian Federation
E. V. Bochkova
Kamchatka Branch of FSBSI «VNIRO» («KamchatNIRO»)
Russian Federation
Russian Federation
T. V. Volkova
North-Eastern branch of FSBI «Glavrybvod» (NE «Glavrybvod» branch)
Russian Federation
Russian Federation
L. V. Saharovskaja
North-Eastern branch of FSBI «Glavrybvod» (NE «Glavrybvod» branch)
Russian Federation
Russian Federation
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Review
For citations:
Rudakova S.L., Bochkova E.V., Volkova T.V., Saharovskaja L.V. Modification of the method of sockeye salmon egg treatment with iodinol from infectious hematopoietic necrosis virus in Kamchatka Hatchery. Trudy VNIRO. 2020;182:128-138. (In Russ.) https://doi.org/10.36038/2307-3497-2020-182-128-138
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