The results of silkworm feeding trial show that zinc can enhance the growth of silkworm and increase the amount of amino acid in the blood of worm.
的硫酸锌喷洒桑叶用来饲蚕，可以提高蚕体血液中氨基酸总量，增加全茧量、茧层量和茧层率；提高成虫的授精率及产卵量。
The another cause that causes silkworm output growth is, superfluous the misdirect of butterfly silk ability.
导致桑蚕产量增长的另一原因是，过剩蝶丝能力的误导。
ConclusionThe growth rate of different age of silkworms was different, and polynomial curve could be used to fit the growth curve of silkworm.
结论桑蚕龄期内不同时段生长速度不一，多项式曲线可用来拟合桑蚕的生长曲线。
It was concluded that YJ-2000 not only showed low toxicity to the silkworm, but also acted no marked negative impacts on growth and development, cocooning as well as fecundity of the silkworm.
综合分析认为：YJ 2 0 00菌株对家蚕不仅低毒，而且对其生长发育、结茧和生殖力等均无明显的不良影响。
It was concluded that YJ-2000 not only showed low toxicity to the silkworm, but also acted no marked negative impacts on growth and development, cocooning as well as fecundity of the silkworm.
综合分析认为：YJ 2 0 00菌株对家蚕不仅低毒，而且对其生长发育、结茧和生殖力等均无明显的不良影响。
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