1. The market prospect forecast report of crayfish culture mentioned that the profit of lobster culture is very considerable. Put about 1.20 kg of shrimp per mu, and adopt the method of rolling culture in each circle, and the yield per mu can reach about 3000 kg. Shrimp seedlings are put in once, and will not be purchased for 3-5 years, and the offspring will not be degraded or changed, and the yield per mu will remain unchanged for a long time.
2. At present, according to the estimated amount of shrimps per mu 120kg, the number of female shrimps per mu per year is 120kg/ mu× 20/kg = 2400/mu,140/mu× 200/times× 2.
3. The survival rate from spawning to young shrimp is 8% to 30%. If the minimum is 8%, the total number of adult shrimps per year is:
456,000 yuan/year× 8% = 36,480 yuan/mu/year.
Feeding management:
1. Lobster is the general name of 4 species of 19 lobsters in crustacea and arthropoda. Also known as prawns, leading shrimps, shrimps, sea shrimps, etc. Its head and chest are thick, its shell is hard, its color is colorful, its abdomen is short, its body length is generally between 20 cm and 40 cm, and its weight is about 0.5 kg. It is the largest kind of shrimp. The heaviest can reach more than 5 kilograms, and it is called lobster tiger.
2. Thick cylindrical body, slightly flat back and abdomen, developed head and breastplate, thick and prickly, with a pair of powerful supraocular spines in the center of the front edge and a closed gill chamber. Mainly distributed in tropical waters, it is a precious seafood. Eight species have been found in China, among which freshwater lobster has a large output.
Baidu encyclopedia-lobster breeding