Culture method for improving stress resistance of snakehead fry
A breeding method and anti-stress technology, applied in the fields of application, fish farming, climate change adaptation, etc., can solve the problems of affecting the growth speed of snakeheaded fish, affecting the survival rate, and poor stress resistance, so as to enhance immunity and improve growth Effect that performance, commerciality are high
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[0013] A culture method for improving stress resistance of black carp larvae, comprising the following content:
[0014] (1) When the young fish are 3-7 days old, keep the dissolved oxygen in the culture pond at 7.2mg / L, the ammonia nitrogen content at 0.26mg / L, the hydrogen sulfide content at 0.34mg / L, and the nitrite content at 0.48mg / L , feeding open pellet feed with a diameter of 0.7 mm and a protein content of 70%;
[0015] (2) When the juvenile fish are 8-20 days old, keep the dissolved oxygen in the culture pond at 6.8mg / L, the ammonia nitrogen content at 0.24mg / L, the hydrogen sulfide content at 0.36mg / L, and the nitrite content at 0.62mg / L , feeding extruded pellet feed with a diameter of 1.4mm and a protein content of 54%;
[0016] (3) When the young fish are 21-35 days old, keep the dissolved oxygen in the culture pond at 6.4mg / L, the ammonia nitrogen content at 0.2mg / L, the hydrogen sulfide content at 0.38mg / L, and the nitrite content at 0.58mg / L , fed fermented ...
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