White oyster larvae cultivating key points
First, the choice of feed and feeding: the beginning of feeding can choose egg yolk, yeast, with a 100-mesh sieve rub rubbed filter after dissolved in the appropriate amount of water for feeding, feeding the amount of 80 to 80 food in the gut can be stuffed The frequency of feeding should be carried out on a small number of occasions. Second, light conditions: In the process of larva rearing, the light intensity of 100 lux is appropriate. When cultivating larvae in shallow water cultivation facilities, it is important to prevent direct sunlight from reaching the water surface. Third, the water temperature conditions: fry can not generally tolerate water temperature mutations above 5 °C. The breeding temperature of white larvae is 4～7°C. Dissolved oxygen conditions: Dissolved oxygen is best controlled at 6 mg/L or higher. The dissolved oxygen content of the water can be increased by adjusting the flow rate into the drainage and increasing the aeration area into the water. V. Daily management: Ensure fresh water quality, promptly clean up excrement and excess bait, prevent breeding of poor algae in cultivated water, maintain smooth water intake and drainage, and prevent and treat fish diseases (oblique tubers, bell insects, small melon insects, etc.) Prevent larvae from escaping or slipping through the net.
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