Effect of multiple mating on reproductive rate in three popular races of silkworm Bombyx mori L.
1996
Raju, P.J. | Mahadevappa | Guruswamy, D. | Raghuraman, R. | Dandin, S.B. (Karnataka State Sericulture Research and Development Inst. Sub-Station, B.R. Hills-571441, Karnataka (India))
Economics of egg production is vital for grainages since it is a commercial preposition which necesitates recovery of maximum number of layings with high fecundity. Attempts have been made to increase reproductive rate by multiple mating in Pure Mysore (PM), a multivoltine race and Kalimpong-A (KA) and N134D2, the bivoltine races of silkworm Bombyx mori L. The studies revealed increase in egg laying coefficient for multiple-mated moths of all three races. The possible mechanism in multiple mating which stimulates oogenesis and thereby reproductive rate is discussed
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