All-male tilapia fry Yoshitomi

The new hybrid Yoshitomi tilapia with full artificial incubation techniques, to ensure uniformity of fry; full turn of the cage bioengineering, the full import of the drug cultivation, to ensure a higher rate of male fish, dried Maoming, Zhaoqing, Hainan Full Experimental farmers feeding feeding, there is no second generation of larvae when the fish house, including a fish of uniformity, growth rate and can stand the test of customer trust. Farming methods: mainly tilapia farming methods still water pond. Pond area is generally 3- dozens of acres, depth of 1.5-2.5 meters. Usually by the end of March to early April every year stocking. 1, male tilapia farming. Because male tilapia (O'Neill fish or unisexual tilapia) fast growth, 40% -50% faster than females. Monoculture approach made using one-year or a year to support two manufacturing. The key is to increase monoculture keep secret, secret catching, enough food, feeding and oxygen under conditions of full availability of high fish production. Year to raise a building. Every year in mid-March to early April put winter fish or fry, size 3 cm / tail around, stocking 5,000 / acre. Breeding process catch big to stay small, fed with feed, feeding daily amount of 2% to 5% weight of fish, with oxygen aerator, one hectare pond with 1.5 kilowatts impeller aerator 3-5 sets. Feeding four months later, some fish can grow to 500 g / tail above, at this time, once every few days fishing, catching big to stay small. Feeding 6-7 months later, some fish weighing up to 750-1000 g / tail. Annual production of about 20 tons / ha. Liangzao year raise. First made in mid-March launch winter large size fingerlings 6-7 cm / tail, stocking 2000 / acre. Fed with feed, feeding four months, every 500 grams of fish, all caught from the market. Then make a second stocking fish, fingerling size 3 cm / tail, stocking 2000 / acre. Feeding five months or so, the average weight of about 500 grams per end, the annual output of about 30 tons / ha. Around the breeding habits, farming methods vary. In order to adjust the pond water per hectare polyculture 10 cm / tail of silver carp or bighead carp about 700.