TY JOUR TI Pre-spawning hormonal stimulation of carp in the conditions of the Al-Suwaira central fish hatchery KW carp KW artificial breeding KW hormonal stimulation KW pituitary extract KW caviar KW fertilization KW larvae JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Al-Mamoori, L.. AU Martyanov, A.. AU Lagutkina, L.. AU Sokolsky, A.. PY 2025 IS 2025 PB Astrakhan State Technical University