Seasoning of leeches is very strong. It depends on regional experience and climatic conditions. It is suitable for about the middle and early March. Specific control of the following aspects:
1. Preparation before mating starts from December on the body condition of the species. Fresh sea fish and lean meat are used as main ingredients, supplemented with vitamins A, D, E, B, etc., so that the seed pods reach the requirements of flattening the abdomen, symmetry of the body, fullness of the muscles, flexibility, and libido.
2, to strengthen the opposite sex stimulation, improve the public sex eroticism from the beginning of February to empty the male and female cages box or insert the cage into a cage on the male cage to tease, in order to enhance the public sex libido.
3, serious estrus identification to check the main external genitalia, combined with the performance of comprehensive judgments. The public embarrassment was irritability and anorexia. They often walked around in the cage and issued a cry. The mother-in-law is excited when she is in heat, tends to the opposite sex, has increased frequency of urination or has been lying on the bottom of the cage. Observing the external genitalia, the external genitalia can be seen to block the urine slightly, the labia congested, swollen and slightly eversion, the mucous membrane moist white or pink, and white or yellow mucus outflow is suitable for the breeding period.
4, using a reasonable breeding method according to the characteristics of the mother's eel cycle, using the cycle of compounding and the method of combining the two methods of reconciliation, that is, in the first two days of a love period, two times a day, followed by 7 ~ 8 days again. Each breeding should put a male and female cockroaches together in a cage, and attach a string of 80 centimeters around the tail of the mother cockroach, fix it to the cage wall, and make the female outdoor cockroach easy to mate. The method works very well.
5. The feed quality of pregnant females and the quality of feed after maternal mating are directly related to the consortium of breeding babies. Due to the small number of individuals, it is necessary to choose feeds that are full-priced, palatable, and digestible. Fresh sea fish should be used to properly match lean and vegetable feeds, and vitamins B, A, D, and E should be added to improve the survival rate. In order to prevent the occurrence of canine fever, the larvae were injected once at the age of 60 days so that they could grow up healthily in summer.

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