四眠

四眠四眠
  1. 蓖麻蚕三眠、四眠蚕及其杂交一代的饲育成绩比较

    Comparison between Trimolter , Tetramolter and F_1 of Eri-silkworm on Rearing Performance

  2. 三眠蚕与四眠蚕生长及主要经济性状差异研究

    Differences in growth and main economic characters between trimolters and tetramolters of silkworm

  3. 贵州地方三眠蚕对普通四眠蚕的遗传显隐性研究

    Study on Dominant and Recessive Heredity between Local Three-molting Silkworm Variety and Common Four-molting Varieties in Guizhou

  4. 金鹿三眠素在幼虫3、4龄初期添食,可使四眠蚕诱变为三眠蚕;

    When silkworm is fed with GD in early period 3 or 4 instar , tetramolter can be induced into trimolter .

  5. 三眠蚕末龄与四眠蚕末龄的生长规律比较相似,三眠蚕末龄与四眠蚕末龄体重饲料效率变化有相似倾向;

    The final instar larvae of trimolters and tetramolters of silkworm appeared similar in their growth and body weight and showed similar feed efficiency .

  6. 本文研究了蓖麻蚕四龄眠期及五龄幼虫期间,脂肪体、血淋巴和脑中环核苷酸水平的变化,以及注射β-蜕皮素对蓖麻蚕血淋巴、脑中环核苷酸水平的影响。

    The fluctuation of the cyclic nucleotide levels in the fat body , hemolymph and brain of Philosamia cynthia ricini larvae during the fifth instar was determined and the effect of β - ecdysone titer on the cyclic nucleotides in the hemolymph and brain was tested .