Dependence of the duration of the embryonic period of development of the sevryuga (Acipenser stellatus Pallas, 1771) and the thorn (Acipenser nudiventris Lovetsky, 1828) on the temperature regime of wintering of producers-Reference-Cited by-同舟云学术

Dependence of the duration of the embryonic period of development of the sevryuga (Acipenser stellatus Pallas, 1771) and the thorn (Acipenser nudiventris Lovetsky, 1828) on the temperature regime of wintering of producers

Published:2021-07-28 Issue:4 Volume:2021 Page:68-75
ISSN:0131-6184
Container-title:Fisheries
language:en
Short-container-title:

Author:

Bubunets Eduard Vladimirovich¹,Labenets Alexander Vladislavovich²,Zhigin Alexey Vasilevich³⁴

Affiliation:

1. Central Department of Fisheries Expertise and Review and Protection and Reproduction Standards

2. All-Russian Scientific Research Institute of Irrigational Fish Breeding

3. Russian Federal Research Institute of Fisheries and Oceanography

4. VNIRO

Abstract

The temperature conditions and the results of wintering of producers, incubation of caviar of sevryuga and thorn in farms on waste warm waters are considered. The studied indicators are compared with similar data obtained when keeping producers from natural populations in the lower reaches of the Volga River. In the considered species, with a shortened and comfortable "warm" wintering (for sevryuga at 5-11, thorn – 3-15°C), an increase in the duration of incubation up to a day or more was recorded in comparison with individuals from natural populations. The temperature regulations of wintering for producers, incubation and maintenance of free embryos are proposed.

Publisher

FSBI TSUREN

Reference26 articles.

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1. Current Biological Data on the Ship Sturgeon Acipenser Nudiventris Lovetsky, 1828 (Review);XV International Scientific Conference “INTERAGROMASH 2022”;2023

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