Artificial high-density culture technology of medicinal material Tu Yuan

(1) the density and temperature of breeding.

The breeding density needs to be 0.4-0.5kg per square meter (worm emergence rate is 70%-80%). When it grows to 4-5 years old, the temperature of the feeding room can be controlled by the temperature of the feeding room (the feeding room can be built according to the three-dimensional constant temperature method). Generally, O ℃ is the hibernating period without heating; 0-25 ℃ is the unsuitable growth period; 25-32 ℃ is the most suitable growth period; and more than 40 ℃ is the death period.

(2) feeding density and thickness of feeding soil.

The thickness of the feeding soil of 1-4-year-old soft-shelled turtles is generally 2-3cm. With the growth of the soft-shelled turtles, the feeding density becomes larger and larger, and the thickness of the feeding soil should be gradually increased. The relationship between feeding density and humidity. If the density is too small, the activity of the turtle is too small, it is easy to cause soil consolidation, dry and wet uneven, affecting its growth (because the water needed for the growth of the turtle is absorbed by its own body surface), people with serious water shortage will die. To reach a certain feeding density, through the activity of soft-shelled turtles, the humidity of the feeding soil can be kept constant, and a generation cycle can be completed in 6 months. Feeding density can not be too high, generally with the hand to hit the bottom of the pool, the pool surface will appear wave-like peristalsis for the highest density.

(3) feeding density and feeding management.

During feeding, it is appropriate to master the feeding density, which is beneficial to mastering the amount of food to be fed, without the phenomenon of food shortage, and at the same time, it is beneficial to the constant humidity and make the turtle molting normal.

(4) feeding density and economic benefit.

In the case of the same investment, high-density breeding can save energy, expenditure and increase output.