Patrick Williot
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View article: Attempts at larval rearing of the endangered western European sturgeon, Acipenser sturio (Acipenseridae), in France
Attempts at larval rearing of the endangered western European sturgeon, Acipenser sturio (Acipenseridae), in France Open
Preliminary results are reported of larval rearing of the critically endangered European Atlantic sturgeon, Acipenser sturio L. Two live food items (chironomids and Artemia salina nauplii) and two compound diets were compared as first feed…
View article: Building a broodstock of the critically endangered sturgeon Acipenser sturio: problems and observations associated with the adaptation of wild-caught fish to hatchery conditions
Building a broodstock of the critically endangered sturgeon Acipenser sturio: problems and observations associated with the adaptation of wild-caught fish to hatchery conditions Open
This study deals with the establishment of a confined broodstock of the critically endangered sturgeon Acipenser sturio L., with special emphasis on two groups of wild captive fish. One is composed of 40 juveniles hatched in the wild in 19…
View article: Basic management for spawning of the cultured sturgeon, Acipenser sturio L., 1758, a critically endangered species
Basic management for spawning of the cultured sturgeon, Acipenser sturio L., 1758, a critically endangered species Open
Some wild-born individuals of the critically endangered sturgeon, Acipenser sturio, are tentatively held in brackish water in captive conditions in order to obtain sexual maturation, both for restocking and for preservation of the species …
View article: Steroid synthesis during oocyte maturation in the Siberian sturgeon Acipenser baerii
Steroid synthesis during oocyte maturation in the Siberian sturgeon Acipenser baerii Open
This study was directed to identify the major steroid produced by follicles of the Siberian sturgeon during oocyte maturation. Among several steroids produced in vitro the 17,20β,21-trihydroxy-4-pregnen-3-one (20βS) was the most prominent …