TY JOUR TI STUDYING PROBIOTIC EFFICIENCY ON A MODEL OF FRY BACTERIAL DISEASE IN LABORATORY CONDITIONS KW aquaculture KW pathogenic and conditionally pathogenic microorganisms KW probiotics KW antagonistic activity KW biopreparation KW fry JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Bissenova, G.. AU Tekebaeva, Z.. AU Urazova, M.. AU Abitayeva, G.. AU Zakarya, K.. AU Abilkhadirov, A.. AU Abisheva, G.. AU Abzhalelov, A.. AU Sarmurzina, Z.. PY 2019 IS PB Astrakhan State Technical University