%0 Journal Article %T THE IMPROVEMENT OF BIOPSY METHOD FOR ESTIMATION OF FISHES’ GONADS MATURATION STATE DURING ARTIFICIAL BREEDING %A Bubunets, E.. %A Novosadov, A.G. %A Zhigin, A.. %A Labenets, A.. %K aquaculture, reproducing, sturgeons, carp, hybrids, gonads, tester rod, biopsy, maturation stages %J Fisheries %D 2020 %N 2020 %P 7 %I FSBI "TSUREN"