Influence of Sodium Nitrate (NaNO₃) of Different Feeds on Growth and Bioenergetics of Bivoltine NB₄D₂ Race of the Silkworm, Bombyx mori L.
Pallavi, V.P.;Kaliwal, B.B.(Karnataka University, Dharwad, India)E-mail:[email protected]
Dietary supplementation of sodium nitrate with different concentrations 50, 100, 200, 500, 700 and 1000 ㎍/ml of single, two, three and four feeds to fifth instar larvae of biovoltine NB₄D₂ race of the silkworm, B. mori resulted in significant increase in the food conversion, conversion rate and conversion efficiency K₁ and K₂. However, there were significant decrease in the food assimilation, assimilation rate and assimilation efficiency in the sodium nitrate treated groups as compared with that of the corresponding parameters of the carrier control. This indicates that the administration of sodium nitrate may stimulate metabolic activities, thereby influencing conversion of food into body weight in the bivoltine silkworm, B. mori.
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