Owen 9 species of freshwater shrimp and lobster farming technology to provide training products recycling

Huafeng 9 "What are the characteristics of new varieties of freshwater crayfish and wild lobster What is the difference ?? ①?" Huafeng 9 "freshwater lobster each individual of 50 grams or more, up to 200 grams: Lobster common individual semi-wild two each, only one half of the two largest all / only. ② "Huafeng 9" freshwater lobster grows very fast, one centimeter seedlings grow to 3 months weighing up to 50-60 grams (about 10 / kg); and 1 cm long wild lobster seedlings grow to 25 grams will need 6-7 months ③ "Huafeng 9" freshwater crayfish short growth cycle, it is from the first to the second spawning spawning only. need 2.5-3 months, while the wild lobsters from the first to the second spawning spawning 6-7 months ④ spawning incubation period is not the same:. "Huafeng 9" freshwater lobster production hatching eggs will survive Just 10 days into a seedling, and wild lobster producing eggs will survive hatch into seedlings need 40-50 days ⑤ "Huafeng 9" perennial freshwater lobster spawning, spawning capacity of up to 200-400 only; while wild lobster each year spawning time, only 50-150 per each spawning. ⑥ "Huafeng 9" per mu over 3000 pounds minimum annual freshwater lobster, wild lobster each year, only about 500 kilograms per mu. ⑦ "Huafeng 9" fresh lobster from the water transport survival as high as 95%, survived more than 20 days from the time of water ⑧ "Huafeng 9" freshwater lobster has a moderate gregarious foraging; wild lobster ferocious aggressiveness and easy to damage.