The farming industry involves the issues of seed selection and seed retention. The breeding of earth elements is mainly the following methods:
1. Hatching block propagation method: This breeding method is widely used. Individual hatchery blocks are light in weight, large in propagation coefficient, and easy to transport.
2, larvae introduction breeding method: This introduction method is more practical, larvae individuals small, easy to carry.
3, adult introduction breeding method: This introduction method is more affordable, can be spawned after introduction, egg retention, adults sold after selling hot can sell part of the cost, more difficult to transport.
We generally talk about the introduction of egg species. First of all, it is to see if the ovaries are strong, and if the worms are uneven or die too much. Seeds are generally screened for the second and third batches of eggs, which are neat, robust, and easy to hatch and manage.
In the process of feeding the earth element, hatching management of the egg is the key link. It is directly related to the success of feeding and the economic efficiency. There may be many kinds of hatching methods, for example: (1) Indoor temperature control incubation (2) Constant temperature incubation box (3) Kerosene lamp heating incubation. The latter two methods are not as direct as the indoor temperature control incubation.
A plastic bowl with a diameter of 50 cm in a plastic pot with an egg block placed on the inner wall can be placed with 4-5 kg â€‹â€‹of eggs, and two-thirds of the eggs are mixed with feeding soil. The humidity of the cultivating soil is maintained at about 35% to 40% (by hand, in groups, and by a dozen or so). After 3-5 days, the soil will gradually dry. At this time, it is not possible to spray water to humidify it. Instead, the dried feeder soil should be sieved out and the new preheated feed soil should be mixed in.
During incubation, the temperature should always be maintained at 25-30Â°C, preferably 28Â°C. Turn the eggs one or two times a day by hand to increase the freshness of the air in the rearing soil. Move lightly when flipping so as not to touch the egg. After 30 days of incubation, some of the larvae begin to break out. At this time we will see tens of thousands of larvae. After 2 days, the larvae were bred in proportion. We must use lighter hands and feet to screen worms so as not to injure the larvae. After a large number of insects have emerged, part of the empty shells of the insects are trapped. When the sound of hollow shells is large during the process of screening the insects, the empty shells can be scraped off with a pestle.
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