Spring silkworm is the best sericulture season in the year. It has a good climate, good leaf quality, and excellent quality, and it is easy to obtain high yield of silkworm cocoon. Therefore, raising silkworms is a basis for increasing the economic benefits of silkworm peasants and for harvesting the harvest of silkworms all year round. The following technical measures must be taken into consideration when raising silkworms:
1, do a good balance of leaves and species. The quantity of silkworm rearing must be determined according to the yield of mulberry leaves. It is necessary to prevent the “overstocking of silkwormsâ€, resulting in the lack of leaves and silkworms in the later period, affecting the yield and quality of the silkworm cocoon, and also preventing the shortage of sericulture, causing excess mulberry leaves, and reducing economic income.
2, strict disinfection and disease prevention. Although silkworm weather conditions are good, pathogens are few, and leaf quality is good, if we ignore the disinfection of silkworms and silkworms, the spring silkworm will also develop in the later period. Therefore, the sterilization before sericulture must be in strict accordance with the order of “sweep, second, three, four, and fiveâ€.
3, carefully raise small silkworms. To raise the yield of small silkworms, the following points should be carefully prepared according to the physiological characteristics of small silkworms: (1) The small silkworm is a period of filling solids, so the mulberry leaf that satisfies its development needs to be enriched and not hardened. , otherwise it affects its eating and digestion. 1 instar silkworm mulberry takes 20% of the mulberry leaves in the silkworm pod as percolation, which is suitable for mature leaves. It also needs to be flexibly controlled according to climate conditions, mulberry growth, and requirements for different silkworm cultivars on leaf quality; (2) Small silkworms When the leaf quality is tender, after storage, pay attention to storage, prevent dry wilting, feed leaves to be uniform, and thickness should be appropriate; (3) In order to maintain the quality of fresh leaves, so that the small silkworm can be fully eaten, can be dry paper or plastic Film coverage; (4) The amount of mulberry should be different according to the development of silkworm, temperature and humidity, less in the less food period, more to give more food, more than when the residual mulberry; (5) small silkworm period The body of silkworm grows quickly, and it must be expanded in time and evenly in order to prevent the silkworm from being too dense and the mulberry insufficiency. (6) The temperature and humidity of small silkworm should be high to promote the appetite of silkworm, which is beneficial to the growth and development of silkworm.
4, feeding silkworm period. Satisfy good food, meet the growth needs of the silk glands of silkworm, and improve the yield and quality of silkworm cocoon. In addition, silkworm silkworms have lower temperature and humidity than small silkworms, and should not be exposed to high temperature, hot and humid environments, etc. It is necessary to do a good job in ventilation and ventilation, strengthen silkworm disease control, remove sand, and improve the sanitary environment. Expand the delivery.
5, use high-quality clusters. In order to improve the quality of tannins, we should use square clusters as much as possible to eliminate bad clusters, open the windows and open the windows after the clusters, remove the moisture, and clean up the mountain silkworms in time.
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