Effect of Various Kinds of Dietary Proteins In Semi – Artificial Diets on the Mulberry Silkworm Bombyx mori L.

Document Type : Original Article

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Dep. of Sericulture, Plant Protection Res. Institute, ARC, Alexandria, Egypt

Abstract

Larvae of Bombyx mori were reared on various kinds of dietary protein (soybean, mushroom and mixture of them) using semi-artificial diet. Larvae fed on semi-artificial diet containing soybean all over the 5th instar larvae gave the highest records on the larval duration, weights of larvae, silk gland, pupa, cocoon and cocoon shell, as well as number of deposited eggs. The same diet gave the lowest mortality percentages. The lower weights were calculated from larvae fed on mushroom diet. Insignificant differences were recorded on the pupal stage duration. Same trend of results were indicated for the larvae fed on the same materials till the 5th day of the last instars then fed on natural diet.

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