Susceptibility of some silkworm, Bombyx mori L. hybrids towards artificial diet containing reduced by 50 amount of mulberry leaf powder
Panomir Tzenov
, Krasimira Avramova
, Dimitar Grekov
, Velislav Iliev
Abstract: The present study aimed at testing the performance of 3 new Bulgarian four-way F1 silkworm hybrids, fed on standard artificial diet, containing 30% mulberry leaf powder and on an artificial diet, containing only 15% mulberry leaf powder. It was established that mulberry leaf powder content in the artificial diets had a direct effect on the larval survivability rate and average weight of one larva. All hybrids showed higher values of both characters studied at feeding on diet, containing 30% of mulberry leaf powder compared to those fed with diet having lower amount of mulberry powder. The results obtained clearly brought out that the hybrids Vratsa63 х Line22 х NIG2 х Merefa6 and NIG2 х Merefa6 х Vratsa63 х Line22 displayed a higher susceptibility to feeding on artificial diet containing 50% less mulberry leaf powder, compared with the hybrid I1хVB1 х N2хHB2.
Keywords: artificial diet; Bombyx mori L.; mulberry powder; survivability rate
Citation: Tzenov, P., Avramova, K., Grekov, D. & Iliev, V. (2025). Susceptibility of some silkworm, Bombyx mori L. hybrids towards artificial diet containing reduced by 50% amount of mulberry leaf powder. Bulg. J. Agric. Sci., 31(3), 573–575.
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| Date published: 2025-06-24
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