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Bulgarian Jurnal of Animal Husbandry   ISSN 0514-7441
Array ( [session_started] => 1711711599 [LANGUAGE] => EN [LEPTON_SESSION] => 1 )
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Creation of new silkworm Bombyx mori L. Hybrids with increased unfavorable rearing conditions tolerance by crossing sex-limited for egg color and larval markings breeds
Panomir Tzenov, Krasimira Avramova, Dimitar Grekov, Yolanda Vasileva
Abstract: There is a very close connection between environment and Bombyx mori L. in all stages of
development. The abiotic factors with the strongest influence on the development of the silkworm are:
temperature, humidity, premise ventilation and light. The current study explores the adaptive abilities
towards unfavourable conditions of newly created mulberry silkworm hybrids obtained by crossing
sex-limited for egg and larval markings breeds. Some biological and technological features of the
hybrids tested have been evaluated. Under provocative silkworm rearing regime the newly created
hybrids manifest a relatively high vitality of the larvae which exceeds the one in the control and under
optimal breeding conditions they have a comparatively high productivity.
Keywords: Bombyx mori L.; rearing performance; sex-limited strains; silkworm
Date published: 2022-04-26
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