• V. Ramesh
• 1 Pushparaj. K
• P. Ganesh Prabu.G
• Rajasekar. P

Nutrition is an important growth regulatory factor in silkworm like in any other organisms, the silkworm and the mulberry plant has a great partnership because the silkworm cannot thrive without the leaves of mulberry plants and the quality of leaves of mulberry plants influence greatly the biology of these worms. Bombyx mori silkworm is monophagous insect that feed mainly on mulberry leaves; it is an important economic insect and also converts the leaf protein into silk protein. Significant advances in the research of silkworm nutrition began with development of artificial diets. This study was to find out the feed efficacy parameters like food consumption, food utilization, digestibility, food consumption index rate, coefficient of food utilization and larval growth rate such as length, width and weight of silkworm Bombyx mori (III, IV and V instar larvae) fed the normal MR2 mulberry (Morus sinensis) leaves and different nutritional supplementary compound such as L-Serine, Aspartic acid, Arginine, Niacin, Retinol, Calciferol, Ascorbic acid and Glucose treated MR2 mulberry leaves. In the present study has been observed that the feed efficacy and growth rate of Bombyx mori (III, IV and V instar) larvae enhanced by 0.25% of α-amino acid L-Serine treated group than control and other treated groups. This study has been indicated that the α-amino acid L-Serine exhibit the presence of more growth stimulant activity and can be used to increase the silk yield in commercial silkworm rearing with reference to sericulture.

Bombyx mori, Morus sinensis, MR2 mulberry, Feed Efficacy, Growth rate, L-Serine.

"Feed Efficacy of Silkworm Bombyx mori (L.) Larvae Fed the MR2 Mulberry Leaves Fortification with Amino Acid L-Serine in Relation to Growth and Development", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 7, page no.539-551, July-2018, Available :http://www.jetir.org/papers/JETIR1807228.pdf

"Feed Efficacy of Silkworm Bombyx mori (L.) Larvae Fed the MR2 Mulberry Leaves Fortification with Amino Acid L-Serine in Relation to Growth and Development", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 7, page no. pp539-551, July-2018, Available at : http://www.jetir.org/papers/JETIR1807228.pdf