Breeding Technique of Seed Floatfish

It is a large-scale freshwater valuable economic fish with a promising future. It is a species of oystercatchers and fishes, also known as gully or river plover. The Channel-tailed fishes have a wide variety of eating habits and grow rapidly. They have strong adaptability to environmental conditions such as temperature, salinity and dissolved oxygen. They are suitable for high-density farming. In recent years, artificial breeding has achieved better results. The seedling breeding techniques are described below. 1. Grasp the young seedlings that just hatched out of the seedlings, take their own yolks as their nutrition, their physiques are weak, their yolks are large, they cannot swim freely, and they can only use the flow of water to move up and down, so they need to be raised. After the seedlings quickly absorb their own yolks, they begin to have a certain swimming ability, and then put the seedlings in the holding pool for a period of time. The hatching time is generally 7 days to 8 days after filming, and the body length is 10 mm to 14 mm. Second, the seedlings are raised 1. Seedlings holding facilities The seedlings holding facilities mainly include flowing cement tanks and cages. The cement pool can be round or square, and the general capacity can be 3 to 5 cubic meters. The water body should not be too large. The inlet and outlet must be screened with 40 mesh to 50 mesh sieve to prevent run seedlings. The cage size is 2 meters, 1 meter and 0.5 meters. 2. Method of raising seedlings (1) Holding the water in the cement pool Put the seedlings with yolk sac into the flowing cement pool, and place 25,000 to 30,000 tails per cubic metre. Start 3 days to 4 days, as long as you keep Flowing water, dissolved oxygen can be sufficient. After 4 days to 5 days, when the seedlings develop gradually and they can swim freely, zooplankton and artificial micro-bait can be fed, and live baits such as red worms and chironomid larvae are the best. Feed a few times and let the seedlings eat well and feed until the body color changes from reddish to dark grey. In the process of holding, we must maintain micro-flowing water, adequate dissolved oxygen, fresh water, and regular disinfection with potassium permanganate of 8 g/m3. (2) cage cages are made of 40 mesh to 50 mesh nylon gauze to make cages of 2 meters, 0.8 meters and 0.5 meters. The cages are placed in the disinfected ponds for 3 days to 4 days before the seedlings are raised. Soaking to soften the cage reduces friction with the fish. Temporary water requires more than 50 cm of transparency and a large number of zooplankton in the pool. The number of raised seedlings is 5000 to 10,000 per square meter cage. The cage outlet should be 4 cm to 5 cm below the surface of the water so that the seedlings can freely swim from the cage to the pool. After the seedlings enter the box for 4 days to 5 days, they are generally free to swim out of the cage. If there are any fish that cannot swim into the pool, the fry should be released. Seedling management should pay attention to the fresh water, can not be turbid, the dissolved oxygen in water is above 5mg/l, wash the box frequently, and check whether the box is damaged to prevent seedlings from fleeing.

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size	cover	bottom	bottom sticker	SAP	Pad weight	piece/pack	packs/bag	bags/40HQ
45x60cm	non woven	PE film	without	1.5g	35g/piece	10	10	2000
60x60cm	non woven	PE film	without	2g	45g/piece	10	10	1650
60x90cm	non woven	PE film	without	3g	50g/piece	10	10	1100
80x140cm	non woven	PE film	without	4h	60g/piece	10	10	950

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