Section 7
Chapter 6,334

Results of using a preparation of the isolated anterior lobe of the hypophysis to stimulate maturation in females of the Russian sturgeon Acipenser gueldenstaedti and the stellate sturgeon Acipenser stellatus

Garlov, P.E.; Altuf'ev Y.V.; Polenov, A.L.; Dubovskaya, A.V.

Voprosy Ichtiologii 27(5): 844-851


ISSN/ISBN: 0042-8752
Accession: 006333609

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A procedure was developed for the preparation of an isolated anterior hypophyseal lobe by removing its neurointermediate complex from the hypophysis. A stable positive effect was obtained when this preparation was used in doses equal to the hypophyseal dose or higher doses. Reduced (by 5 mg) doses are effective only at stable high temperatures in injections and maturation close to spawning temperatures threshold for this fish. The best results with these 2 species were obtained when a 25 mg dose was used in a wide range of temperatures.

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