Parent fish cultivation
1. Parent fish culture
The main results are as follows: (1) the age of sexual maturity is 2-3 years old, and the weight of sexual maturity is more than 0.5 kg. The spawning and breeding period is from May to June.
(2) there are a large number of "chasing stars" in the head, pectoral fin and caudal stalk of male and female mature males, and there is a rough feeling in the hands; when the abdomen is narrow and sexually mature, milky semen is released from the testis of the abdomen gently pressed; and the first fin of the pectoral fin is thick and wavy. The female fish has no "chasing star" or only a small amount of chasing star in the eyes and back, the abdomen is obviously dilated and soft, the cloaca is red and swollen and protruding outward during the reproductive season, and the first pectoral fin is thin and straight.
(3) the selection and breeding of parent fish should weigh more than 0.5 kg, age 2-4 years old, healthy and harmless. Generally, 15,22.5 kilograms of parent fish are released every 100 square meters. Megalobrama amblycephala is mainly green bait, and during the breeding season and before and after spawning, it is necessary to increase the compound bait or bean cake, vegetable cake and other refined bait, the feeding amount is 2%-3% of the body weight of the parent fish. When the water temperature rises above 18-20 ℃, male and female parent fish should be cultured separately to prevent the water temperature from rising and parent fish spawning naturally.
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Fried fish in sauce
1) wash the trout and cut a few knives on both sides to facilitate the taste. 3 shallot, cut into oblique sections. 2) most of the onions in the trout belly, wipe both sides with light soy sauce soy sauce and marinate for about 20 minutes. 3) prepare dipping sauce: half tablespoon Liubiju dry sauce + boiling water dilution + small half spoonful brown sugar + small half chopped pepper + minced ginger + a few drops of fish sauce, this sauce, I mismix, the result is quite good, very strong sauce flavor. What kind of tamarind sauce should be used? I don't know.
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The technique of mixed culture of fish and fish
In the pond where unisexual tilapia and puffer fish are mainly cultured, there are usually more freshwater shrimp under the condition of artificial diet, which is the best bait for Thai bamboo shoot shell fish. 50-80 Thai bamboo shoot shell fish fry can be put in each mu at the same time, and a small number of artificial nests can be placed. Thailand bamboo shoot shell fish can be increased by 20-30 kg per mu at the same time.
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