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1 The choice of turtle species
In China's natural world, there are 23 species of freshwater turtles. The species of turtles to be used include turtles, yellow-throated turtles, flat-faced turtles, four-eye turtles, and gold-headed turtles, of which the yellow-throated turtle is preferred.
2 selection of algae species
The precondition for the success of the cultivation of green turtles is the correct selection of algae species. The first thing to understand is what the "green hair" on the green hairy turtle body is. The "green hair" on the body of the green hairy turtle is a genus of base and algae. The algae is green and green, and the algae is a kind of filamentous body, thick and hard to break. There are distributions in rivers, rivers, lakes, and streams, but the number is small; in mountainous streams, there are many solids on the rocks, shaft walls, and boat walls. Some of the other algae can also be fixed on the turtle's carapace, but it is not appropriate to use the cultured green turtle. The differences between the basic algae and other filamentous green algae are shown in Table 1.
Table 1 Differences between basement algae and other filamentous green algae - color handle Branches Ductile bases Branched green algae There is a rough green lease with branches or branches only at the base of the algae filaments. The algae is thick and the algae is tough and not easy to pull off.
Other filamentous green algae are greenish green, yellowish green or greenish black. Smooth or slightly coarse branches are more common, mostly in the upper part of the algae. The algae is fine and the algae is soft and easy to break.
3 Preparation before training
3.1 Containers Regardless of the container chosen, the inner wall should be smooth. The size of the container is suitable for turtles to move freely.
3.2 Selection and Rearing of Turtles Turtles for the cultivation of green-eared turtles are required to be robust, actively eaten, and have no damage to the dorsum of the abdomen. They can quickly sink into the water when placed in water; the size of the turtle may vary depending on needs. If you choose tortoise, you should choose females, males have stench. Prior to inoculation, the tortoise shell is cleaned, soaked in 8mg/kg copper sulfate solution for 10-30 minutes, then thoroughly rinsed with clean water, and finally soaked in 2mg/kg potassium permanganate solution for 30 minutes. The brushed turtles need to be intensively reared. Stop for 1 week before inoculation to allow turtles to excrete in order to avoid polluting the water during the inoculation;
3.3 Treatment of Tortoiseshell Before inoculation, the turtle's carapace and plastron should be treated. The shell of the turtle should be roughened with sandpaper, but the surface of the turtle should not be damaged excessively to avoid inflammation.
3.4 Water for inoculation Replace the water replaced by the green turtle with sediment and filter out the dirt before use. Exposed sun and well water can also be used. The pH of the water is 7 to 8.5.
3.5 Cleaning of Algae Species Before inoculation, the algae on the genus Algae are cleaned, and ciliates, trichophaes, etc. are pupaed out.
3.6 Inoculation time The growth rate of the vegetative algae is related to light and water temperature. The optimum water temperature for the release of the myxoid spores is 20-24°C. Therefore, the inoculation time for breeding green turtles is in spring and autumn.
4 Inoculation method
The first examination of turtle base algae, there are a large number of zoospore, immediately inoculated. The basic algae are chopped or chopped and all are poured into the green-eared turtle culture container (each turtle weighing 0.3kg needs 5~6g of the genus of the genus Kelp). The container should be transparent and open, and each turtle should use In a container culture, it is also possible to place several turtles in the same container in separate compartments, and the containers should allow turtles to freely move freely in them. After the inoculation was completed, the turtle was incubated in an environment with moderate light and a water temperature of 22 to 24°C, and nutrient salts and 1% photosynthetic bacteria were applied once every 5 to 7 days.
After being cultured for a period of time by the above method, a short “green hairâ€, ie, a vegetal spore bud, can be grown on the turtle's back, and after about four months, a green silk covering the entire back of the turtle can be formed. 9cm. Generally 5cm long is a qualified product.
Green-green turtle inoculation technology
The green tortoise is known as "water jadeite," and it is a combination of medicinal, gourmet, and ornamental products. It is well received by consumers both at home and abroad. The green turtle is not a special species, but is a common freshwater turtle with green algae on its back. Because the turtle's algae body is green filamentous, like a fur-like in the water, it is called green hair turtle. The key to the cultivation of green turtles lies in the success of vaccination with “green hair†(ie, genus genus algae). The “green hair†inoculation technique of the green turtle is now highlighted.