Prevention and control measures of silkworm poisoning
First of all, food mulberry safety, do not eat "four-sided mulberry", mulberry leaves first try after eating, confirmed after non-toxic can be used in large quantities of leaves. Mulberry leaves with pesticide residues should be sprayed with 0.5% edible alkali or 1% fresh lime water 1 to 2 days in advance, or soaked in 1% edible alkali or 1% fresh lime slurry for 1 hour. It should be noted that the sprayer should be thoroughly cleaned, and the edible alkali or fresh lime water sprayed should be used enough (about 6~8 barrels per mu).
If silkworm poisoning is found, detoxification methods should be taken in time: immediately sprinkle Sanqi ash or lime powder, so that silkworm immediately stop eating poisonous leaves, at the same time remove poisonous leaves and silkworm excrement, open doors and windows for ventilation. If it is organophosphorus pesticide poisoning, the poisoned silkworm shall be soaked in 5000 times atropine sulfate for 2 minutes, taken out and spread in a cool and ventilated place, and fed with 500 times atropine sulfate at the same time; if it is poisoned by nereid toxin, pyrethroid and other pesticides, it shall be fed with 500 times adrenaline hydrochloride; if it is poisoned by fipronil pesticide, the poisoned silkworm shall be soaked in cold water for 2 minutes, taken out and spread in a cool and ventilated place. In addition, in order to prevent silkworms from cocooning, 500 times atropine sulfate should be added 2 to 3 times during the five-instar feeding period.
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Raise Beijingers
In the breeding and management of Beijing dogs, adequate nutrition should be given. In addition to feeding the right amount of vegetables, bread, biscuits and other vegetarian foods every day, it is also necessary to feed 150-250 grams of lean meat in the morning and in the afternoon. You can also feed shrimp and fish. It is best to add some milk powder, calcium powder and ground powder of multivitamins to the vegetarian diet. Dog is an animal, it also needs to have a certain amount of activity to promote blood flow and metabolism. Therefore, when the owner goes shopping or takes a walk in the park, it is best to take him out for a walk.
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Breeding New varieties of Silkworm in Hubei Province
The new silkworm varieties E Bombyx mori No. 3 and E Silkworm No. 4 won the first prize for scientific and technological progress in Hubei Province not long ago. Compared with Huanghe × Zhaoxia, the main autumn variety in Hubei Province, E silkworm No. 3 has strong resistance, the unified life rate of insect pupae is more than 92%, and the yield is high, with a cocoon yield of 33.95kg, an increase of 9.94%. The cocoon shell rate is 24.83%, the length of one cocoon is 1150 meters, the length of Jieshu silk is 941 meters, and the silk emergence rate is 17.88%, which is increased by 8-1% respectively.
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