The cultivation of freshwater puffer fish has been tested in different regions (including Xinjiang, etc.) in the Pearl River, Yangtze River and Yellow River basins. At present, it is believed that there are few seedlings, and there is a lack of breeding experience. Especially when the seedlings grow into adult fishes, they should first be cultivated in fish ponds of the same size of home fish or Nile tilapia so that When you reached adult fish in the same year, you could get satisfactory results.
(I) Large-scale nesting techniques for overwintering species
The overwintering species of freshwater bream are generally about 5cm to 8cm in length, and they are suitable for raising fish (or cultivating in ponds) in pools of four-mackerel species. Each hectare of fingerlings pools up to 3,000 to 4,500 freshwater turtles, which does not affect the production of the four major species of fish, and does not increase feed and labor. It can increase the net output of freshwater é²³3000kg per hectare.
(B) seedlings of the year
Freshwater bream breeding in the year, cultivated to a specification of 1g / tail, nesting in the fingerling pool, if there is 3 months of growth time, then into the year can develop into adult fish 0.25kg ~ 0.50kg. The following describes two kinds of nesting techniques of the Shandong Institute of Freshwater Fisheries.
1. Set in Wuzi fish pond
The freshwater eel species in that year had a specification of about 1g per tail, and the number of puts per square meter was 2 and was planted in a pond with a density of 200 pigs per square meter. During the whole breeding cycle, the conventional method of seed cultivation was adopted. After no special measures were taken for 79 days, the survival rate of freshwater turtles reached 100%, the average tail weight was 129.9g, and the domestic fish species were 268kg. There were also specifications 1.1. 163kg of Nile Tilapia fingerlings cm to 1.5cm.
2. Set in Nile tilapia broodstock breeding pond
Freshwater salmon species of the current year, with a size of about 1 g per tail, with 3,600 tails per hectare, were housed in broodstock breeding ponds of Nile tilapia, fed for 79 days, and received 3,525 freshwater frogs per hectare when harvested. Weight 1365kg, average tail weight 249g;
There are many folk names for Chinese wolfberry, such as Gouqizi, wolfberry red fruit, beet, western wolfberry, dog milk, red green pepper, wolfberry hoof, wolfberry fruit, ground bone, wolfberry eggplant, red eardrop, blood wolfberry, wolfberry bud, wolfberry bean, blood wolfberry, wolfberry. In the main producing area of Lycium barbarum in Ningxia, in Zhongning County of Ningxia Province, farmers are used to call Lycium barbarum as "tz", which is terrestrial Tribulus terrestris. This is because the wild wolfberry is similar to the Tribulus terrestris, often mixed for firewood, in the folk "Ci" as the common name of wolfberry.
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