00766naa#a2200205#i#450# EN\\bibl\38368 20210805201814.4 2073-5529 20200622b2020####ek#y0engy0150####ca RU Economic efficiency of forming pike perch broodstocks in fish farms of Kazakhstan Article Astrakhan Astrakhan State Technical University 2020 9 с. Article local Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63 Asylbekova Saule Zhangirovna Badryzlova Nina Sergeevna Koyshibaeva Saya Kashkinbayevna Isbekov Kuanysh Baibulatovich vestnik.astu.org