In recent years, Tenebrio molitoris has been widely used to feed a variety of freshwater aquatic animals, and it is also a good feed for breeding animals such as scorpions. The application prospect is very promising.
Tenebrio is an omnivorous animal, grains and bran, peel, leaves, etc. can be used as feed for Tenebrio. The growth and development of Tenebrio molitor is the same as that of many other insects. It must go through 4 states and become an egg >> larvae >> cockroach >> adult. The feed used was Tenebrio crawling larvae. The artificial breeding technical regulations are as follows.
First, the spawning box change box incubator and growth box how to make
Spawning box 70X50X10 cm, the bottom with 1 cm thick wood, the iron screens can be nailed tightly, around the tape with a good sticker to prevent escape. The box size is the same as the spawning box. The bottom does not have iron screens, but the wooden boards are directly nailed into boxes. The incubator and growth box are 80X60X10 cm and the bottom is nailed into boxes with wooden boards.
Second, Tenebrio species how to choose
The insects can be purchased in the market. They require mature and mature larvae of 25 cm or more in length, with neat specifications, crawling, deep color, smooth body walls, and body length of 25 cm or more.
Third, Feeding of mature larvae of Tenebrio
In the growth box, 2 kg of insects per square meter can be placed, and the thickness should not exceed 2 cm. Feed: wheat bran 70%, cornmeal 15%, cake 15%. Usually appropriate to put cabbage leaves or melon skin supplement moisture. The suitable temperature for living larvae is 13-32°C. The optimum humidity is 80%-85%. The larvae can both move and feed during the day and night, but they are more active at night.
IV. Management of Tenebrio Molitor
At the beginning, it was milky white, usually 15-17mm long, floating on the feed surface. Put 2cm bran in the mash box, put the crickets picked up every day, and wait for them to become adults. Keep in a ventilated, insulated environment. Do not over-wet so that helium does not rot. Shorter pupa period, when the temperature is 10-20 °C, 15-20 days can be adultated; at 25-30 °C, 6-8 days can be adultated.
V. Management of adult mealworms
After the emergence of the adult, after the body color becomes dark brown, it will be moved to a spawning box for rearing. The spawning box can be nested in the incubator and growth box. Spread a layer of feed in the spawning box, about 1 cm thick, and then put a layer of fresh leaves, adults are scattered under the leaves. These leaves are its feed, mainly to provide water and increase vitamins, with the release of food, not too much, so as to avoid deterioration of the humidity of the Ambassador leaves.
When adults lay eggs, most of them go to the bottom between the feed and the gauze, reach out to the ovipositor, pass through the mesh holes, and feed the eggs to the feed under the net. The artificial rearing is the habit of using it to lay eggs downwards. Use a net to separate it from the eggs to prevent adults from eating eggs. Therefore, the feed on the web must not be too thick. Otherwise, the adults will produce eggs in the feed on the web.
Adults begin mating spawning 4 to 5 days after emergence. Adult mating activities do not vary day and night, a mating time of several hours, multiple mating in a lifetime, multiple spawning. Each time a female can lay eggs 6-15, each female can produce 30-350 eggs a lifetime, Tenebrio adult life is generally 3-4 months.
Sixth, egg hatching
Tenebrio fertilized eggs incubation time and the ambient temperature is very large, in the 25-30 °C conditions, just 4-7 days can be hatched. To cultivate the mealworms artificially, in order to shorten the incubation period, indoor warmth should be maintained as much as possible to artificially create the optimum temperature for hatching. Under normal circumstances, the spawning box will be moved to another incubator every 7 days or so. The feed and eggs of the original incubator can be hatched until all the larvae are hatched. After the feed is eaten, the feces are removed and replaced. New feed.
Seventh, larva rearing management
When the feed during the incubation period is basically finished, the worms should be screened out. After screening, the insects are returned to the original box for feeding. The feed of the insects can be added 2-3 times, or they can be added little by little. Every day, the feces is removed once every 3-5 days. Usually feed put some green leaves, radish slices and so on. In the summer high temperature, pay attention to ventilation and cooling; in other seasons when the temperature is low, indoor additional heating equipment. Maintain a suitable living temperature of 13 to 32 °C, the optimum temperature is 25-29 °C. The temperature is less than 10 °C and there is very little activity. It is safe to overwinter above 0 °C. If the temperature is lower than 0 °C or higher than 35 °C, there is a danger of freezing or heat death.
Egg hatching, larvae, cockroaches, adults should be kept separately, must not be polyculture. Mixed feeding is not easy to feed food according to different requirements, and adults are easy to eat eggs in the process of feeding, and larvae are easy to eat. The thickness of the rearing larvae must not exceed 2-3 cm in order to avoid fever, and the size and specifications are basically the same. Larval feeding increases with the individual's increase. The newly-produced eggs need to be sorted once every 7 days, and they are naturally hatched in boxes. When the mature larvae are larvae, they must be picked out in time and placed in the incubator. They cannot be stacked. Adults must avoid strong light, otherwise they will affect spawning. Tenebrio disease is relatively rare, but to prevent the enemy: such as poultry, gecko, rat and other hazards.
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