Ảnh hưởng của mật độ ương đến sinh trưởng và tỷ lệ sống của cá mú cọp (Epinephelus fuscoguttatus) giai đoạn ương từ 30 đến 50 ngày tuổi

Abstract

    This study aimed to determine the effects of stocking density in tanks and hapas in pond on growth and survival of tiger grouper (Epinephelus fuscoguttatus) from 30 to 50 days of age. The results showed that when using feed INVE NRD 5/8 and INVE NRD G8 reared with suitable environmental conditions in Northern Vietnam, the best growth in length and survival rate of tiger grouper at density stocking of 500 fish/m³ were 48.81 mm and 94.8% (P<0.05). When rearing at a density greater than 500 fish/m³, the growth and survival rate tended to decrease with increasing stocking density.