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KMID : 1041219860280010037
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Journal of Sericultural and Entomological Science
1986 Volume.28 No. 1 p.37 ~ p.42
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Effects of Juvenile Hormone Analogue on Changes of Protein and Amino acids in Haemolymph of the Silkworm, Bombyx mori
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Abstract
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The experiment was carried out to investigate the effects of juvenile hormone analogue on changes of protein and amino acids in haemolymph of silkworm larva.
Juvenile hormone analogue was topically administered to larvae at dose of 1 μg and 10μg Per gm of body weight at 60hr. of the 5th instar.
The results obtained were as follows;
1. Larval duration of the fifth instar was extended about 1 day by JHA-1 and 4 days by JHA-10εs compared with the control.
2. Cocoon weight and cocoon layer weight by topical application of JHA were heavier than those of the control, but cocoon layer ratio was decreased in JHA-10 to the exclusion of JHA-1.
3. The concentration of haemolymph protein during the fifth instar was increased remarkably by the JHA application.
4. The total content of amino acids in haemolymph proteins of JHA-10 approximately doubled that of the control, with the conspicuous increase of glycine and arginine level.
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