How much is the price of East Star spot per jin? How to breed it?

Dongxing grouper is a kind of grouper, which is a high-grade fish species with delicious taste. However, our government has strictly forbidden people to catch this kind of fish, so East Star spot has become a rare species. At present, the sources of East Star spot in the market are imports and a small amount of domestic breeding, so how much is the price of East Star spot per jin? How to breed it?

1. How much is the price of East Star spot per jin?

Due to the air transportation cost and death of imported live fish, the price is much higher than that of common grouper. The Haidong market in Hong Kong costs 7 yuan or two, and here it is 16 taels per catty, so it translates to 114 Hong Kong dollars per catty in the mainland, and now 1 Hong Kong dollar is about 0.81 yuan, which translates to about 91 yuan per catty. Grouper is a general name, there are East Star grouper, Tiger grouper, East Star grouper is better in grouper, so the price is also slightly more expensive. However, the price of imported frozen East Star grouper is much lower and not more expensive than other live groupers.

Second, how to cultivate East Star spot?

1. Feed feeding: it can be fed with chilled bait or compound feed, such as small mixed fish, or a combination of both, and the effect is better with the combination of chilled bait and compound feed. Feeding chilled minced fish can be made into surimi, and the best formula feed is 2-3 hours; when the fish is 5cm~10cm, it can be fed 4 times a day, and the chilled fish can be cut into blocks according to the caliber size of the fish; when the fish is more than 150g, chilled bait can be fed once a day.

2. Water quality management: one for every lm2~1.5m2. The water should be changed once a day, and the amount of water should be changed about 1pm. The method of cleaning the dirt and residue on the pool wall, bottom, inflatable pipe and gas stone while draining is adopted. The daily temperature difference should be controlled within 3 ℃. When the water temperature is high, the amount of water should be increased and the whole pool should be changed every 5 days or so. Pour the pool once in 20 ~ 30 days, screen at the same time, raise in different ponds, thoroughly clean and disinfect the pool and then use it. The water temperature is kept above 18 ℃ in winter.

3. Selection and separate culture: the East Star spot is prone to mutual crippling in the seedling stage, especially if the size is different from time to time, so it should be screened in time according to the growth of fish species to keep the same size and specification of fish in the same culture pond. generally, different specifications of stainless steel mesh screen combined with manual screening are used.

4. Disease prevention and control: in the process of culture, it is necessary to prevent parasites such as rotifers and melons and bacterial diseases such as Vibrio and Edwards, especially at the seedling stage, special attention should be paid to the disinfection and cleaning of the culture environment, keeping the water quality fresh, cleaning the pool wall and bottom regularly, keeping the culture environment clean, feeding fresh bait, killing insects and bathing the fish regularly and regularly. Aquaculture utensils had better be used in a single pond and disinfected regularly.