Artificial Propagation of Sturgeon

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By Nicolas A. Borodin, Formerly Chief Specialist in Fish Culture, Russian Department of Agriculture, Every fish-cnlturist knows how difficult it has been to secure any genuine success in the artificial propagation of any species of stur- geon of the genus Acipenser. There must be acknowledged almost coijiplete failure in both America and Europe as far as practical re- sults go. One drawback has been the difficulty of keeping sturgeon eggs alive and sound, owing to their liability to be attacked
... and killed by Saprolegnia and other kinds of fungus. Yet another and very serious matter has been the scarcity of sturgeon in the rivers and lakes; in fact, these fish in many waters have become practically exterminated, and there has been no possibility of securing ripe eggs.
TMiile America and western Europe have lost most of their stur- geon supplies, Russia still remains rich in sturgeons, especially the rivers emptying into the Caspian Sea — the Volga, the Kura, and the Ural. Even in these waters, however, there has occurred positive diminution in the number of sturgeon, and it is the general belief that, in order to prevent the entire extermination of these fish, it is quite necessary to resort to artificial propagation on a large scale.


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