The density of cage rearing is 10-30 per square meter, and the live weight of each individual is up to 0.4 kg in one year. It is less than 60% of the length of the live fish. Live shrimp can be used as bait. There are two feeding methods: One is to feed every day, saying that the regular feeding. Second, staged feeding, according to 5% -10% of the diet and the expected feeding time, the total amount of bait required for the calculation phase. Once full. Usually 30-40 days. As a stage more appropriate, fish can produce 5-10 kg per square meter.
Pond single-cultivation: When raising a single pond, the maximum pond area should not exceed 0.7 hectares, and small ponds have better effects when rearing fish. Generally, 1-3 cm of species of fish are placed at 15,000 to 23,000 fish per hectare, or 6-7 centimetres of fingerling 1.2. Million - 15,000 tails. Productionable 鳜1500-3450 kg per hectare of the current year. With this type of farming, the pond intake and drainage system should be good, and the pool water can be changed regularly. It is best to inject part of the new water every evening or early morning. Not less than 4 milligrams per liter. Before entering the pond, you must first invest in bait fish, preferably in a quantity of 2-3 times the body weight, in order to maintain a certain bait density, increase the chance of concubine feeding, and then press the weight of the bait. 5%-10% once every 2-3 days to feed bait fish. The end of the year about 60% of the individual up to commercial specifications.
Pond polyculture: When polycultures are introduced, their specifications must be controlled so as not to endanger the principle of the main fish. Each hectare is provided with 3-4 cm of 600-750 tails or 13-16 cm of 150-300 tails. The bait also does not require special management. The net yield is 75-100 kg per hectare of pond.
Here you can find the related products in Face Masks, we are professional manufacturer of Face Masks,Medical Face Masks,Ear Loop Face Masks,Medical Grade Face Masks. We focused on international export product development, production and sales. We have improved quality control processes of Medical Face Masks to ensure each export qualified product.
If you want to know more about the products in Medical Face Masks, please click the product details to view parameters, models, pictures, prices and other information about Face Masks,Medical Face Masks,Ear Loop Face Masks,Medical Grade Face Masks.
Whatever you are a group or individual, we will do our best to provide you with accurate and comprehensive message about Medical Face Masks!
Face Masks
Dust Mask,3 Layer Dust Mask,Face Mask Medical,Eco-Friendly Face Mask
BIQIAO MEDICAL TECHNOLOGY(HENAN) CO.,LTD , https://www.medical-technology.net