NUTRITIVE VALUE, USE AND IMPORTANCE OF MULBERRY LEAF FOR THE SILKWORM BOMBYX MORI L.
DOI:
https://doi.org/10.1199/pwxvfg86Keywords:
mulberry, leaves, nutrients, silkworms, metabolism, applicationsAbstract
If the silkworm is the main interest point of sericulture, the mulberry is the beginning point since it produces leaves, the only feed supply for silkworm species Bombyx mori L. Due to the production of silk fibre, on the one hand, and the secondary products produced by the sector (pupae with specific by-products, respectively cakes, oils etc.), on the other hand, the breeding of silkworms is of great economic importance. The mulberry, specifically the quality of the mulberry leaves, is one of the most important factors in determining silkworm growth, production, and health status. The mulberry (Morus sp) is widely distributed in various climate zones, from tropical to temperate areas. The mulberry leaves have an excellent nutritional composition (proteins and amino acids, lipids and fatty acids, carbohydrates, vitamins and minerals, flavonoids etc.). Some volatile compounds contribute to the mulberry leaf's attractiveness, and one of the silkworm antennae receptors reacts significantly to cis-jasmone, which is thought to be the most alluring volatile component, even though it is naturally found in only trace amounts in the mulberry leaf. The digestive system and enzymatic equipment of the larva associated with the fermentative substances contained by mulberry leaves enable digestion and absorption of nutritive substances from the leaves, which are then converted into nutrients required for growth within the proper ranges and the production for obtaining a high-quality of silk fibres and valuable nutritional by- products. Given the crucial importance of the mulberries, new measures are necessary to grow and promote Bombyx mori silkworms, especially in rural regions.References
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