Silkworm breeding "three good" excellent yield high

The standard of high quality and high yield of silkworm cocoon is high scab rate, large size and good quality. However, in actual production, there are often: (1) Low crusting rate. Although there are 25,000 eggs in Zhangshou, hatching from silkworm eggs, feeding of silkworms, and crusting of upper clams may cause diseases, rodents, and humans in the breeding process. As a result, the final harvest of cocoons was less than 20,000 and the loss was as high as 25%. (2) One or more small worms per kilogram of more than 1,000 grains due to malnutrition, environmental discomfort or improper technical operation. (3) The quality of poor quality cooking equipment, backwardness, improper application of the upper lid, and inappropriate conditions in the diverticulum have effects on the layer thickness, the upper lid rate, and the decompression of the lid, resulting in deterioration of the quality. Therefore, in order to obtain high-quality, high-yield cocoons, the following “three good” must be achieved.

1 Live well

1.1 Silkworm and silkworm

Each silkworm must have a silkworm room of about 15 square meters, and be well ventilated with uniform light, so as to facilitate disinfection or control of temperature and humidity. At the same time, it is necessary to prepare silkworms for matching.

1.2 Temperature and Humidity

The temperature of the silkworm is 26 to 28°C, and the difference between dry and wet is 0.5 to 1°C; the temperature of the silkworm is 23 to 25°C, and the difference between dry and wet is 2 to 3°C.

1.3 disinfection and disease prevention

The silkworm and silkworms should be thoroughly disinfected; silkworms and silkworms should be disinfected or given foraging drugs to prevent silkworm diseases from occurring. After the sericulture has ended, the pathogens have been completely disinfected when they have not yet spread.

2 eat well

2.1 Plan

It is necessary to formulate a reasonable plan for sericulture. According to the mulberry leaf, silkworm room and labor, etc. determine the number of sericulture, so that leaves, silkworm balance. Calculated according to each 35kg cocoon, mulberry leaves in spring are 650-700kg, and 600kg in summer and autumn.

2.2 Good mulberry

The use of fresh, well-cooked, well-grown mulberry leaves for sericulture is a prerequisite for improving the quality and yield of silkworm cocoons. Leaf-collecting method: Generally, the upper leaves of growth buds of 1 to 2 instars of spring silkworm, 3 leaves of 3 to 4 instars, and 5 buds of growing buds; 1 to 4 instars of summer and autumn silkworms are picked from top to bottom, and 5 instars Picking the lower leaves, we must pick leaves and handles. Leaf collection criteria: All ages of silkworms should be selected for proper cooked mulberry leaves, and small silkworm leaves should be consistent with young and tender. Leaf collection time: general points early and late 2 times, no leaves at noon. To be transported along with transport, light transport, and to store mulberry leaves, storage mulberry time is generally not more than 1 day and night, mulberry leaves do not store in the silkworm room.

2.3 satiation

The silkworm period was covered with plastic film, and sang 4 times a day and night. The mulberry thickness was appropriately increased or decreased in the case of sericulture. The number of sericulture in the large silkworm period was increased to 5-6 times. At the same time, according to the growth and development of silkworms, the expansion, symmetry, and delivery are performed in a timely manner, and all kinds of work including sleep treatment and sand removal are performed.

3 Good

3.1 Cookware

Each silkworm species needs to have a 75kg grid or 50 cages.

3.2 The bedroom

It is better not to use the silkworm room, but to choose a room with good ventilation and light transmission, uniform light, and convenient temperature and humidity control. Each species needs 25 to 30 square meters of bedroom.

3.3 Temperature and Humidity

The temperature is preferably 2 to 25°C, not lower than 20°C, and the dryness and humidity are 2 to 3°C.

3.4 timely sales

7 days after the last squat, when the carcasses were reddish-brown, they were picked and sold, and they should be lightly and lightly put. They should not be packed in woven bags, and baskets or baskets should be the best.

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