Morphofunctional assessment of domesticated and aquacultured beluga females

In the early 80-ies of last century, there was a sharp decline in population Caspian beluga Russia. Its fishing prohibited, except for catching reproduction and scientific purposes. practice sturgeon breeding, method repeated use females males by obtaining sexual products vivo, as well growing breeders artificial conditions, has become widely put into practice. Against background an acute shortage wild this species, recent years, main way to form broodstock conditions Lower Volga region is domestication. However, catches areas are estimated single specimens. The article studies fish-breeding, biological physiological parameters domesticated aquaculture-bred females. reproductive function artificially raised evaluated. Some proposals intensification priority order replenish natural populations presented.