Published in Scientific Papers. Series D. Animal Science, Vol. LXIII, Issue 2
Written by Tsvetelina NIKOLOVA
Cultivation of mulberry silkworm is economically efficient branches of agriculture. It originated in ancient times. The strong dependence on nutritional requirements and especially the seasonality and range of distribution of mulberries are limiting factors for the cultivation of mulberry silk butterfly larvae. Due to its peculiarities, Morus alba develops well and yields high leaf yields at certain seasons of the year in our country. The resulting leaf mass is of high nutritional value. The artificial food for Bombyx mori L. enables cultivation during any season of the year, regardless of the external climatic conditions. Some plant extracts are nutritional stimulants and improve nutritional intake, growth and even disease resistance. The purpose of this study is to test a hybrid I1xBB1xH2xHB2 created in the Scientific Center on Sericulture, Vratsa, Bulgaria on susceptibility to artificial food with added extract of Tribulus Terrestris L. as a stimulant. Tracking the most important biological, reproductive and technological features of silk larvae and butterflies. Artificial food was widely accepted by Bombyx mori L. Higher values were observed in the experimental groups fed with artificial food and added extract of Tribulus terrestris L. We observed the larval growth rate and vitality.
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