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不同饲料不同龄期小蚕人工饲料育比较试验
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摘要:
用32个蚕品种杂交形式供试,比较了新老2种稚蚕人工饲料配方的疏毛率;结果表明新配方的24 h疏毛率普遍优于老配方,差异达到极显著水平;24 h疏毛率,老配方中只有6个蚕品种超过了98%,新配方中有21个蚕品种超过了98%,增加了15个蚕品种型式,新配方明显扩大了一代杂交种杂交率检验和小蚕共育的适用蚕品种范围.从不同龄期小蚕人工饲料育与全龄桑叶育的养蚕成绩和茧丝成绩看,用人工饲料进行小蚕共育基本可行,综合考虑各方面因素,共育到2龄后再改喂桑叶或分蚕出售给农民较好.
关键词:  稚蚕人工饲料  24h疏毛率  不同龄期  小蚕人工饲料育  全龄桑叶育
DOI:
修订日期:2006-03-13
基金项目:
Comparison of the rearing effects of different artificial diets for young silkworm during different instars
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Abstract:
Using 32 hybrid silkworm varieties fed with two kinds of artificial diets,the setae dispersion rates(SDR) at 24 h from the beginning of rearing were obtained.The results showed that the SDR of the new artificial diet(NAD) was statistically higher than that of the old artificial diet(OAD).The SDR of 21 hybrid silkworm varieties fed with NAD exceeded 98%,while only 6 ones with OAD.This suggested that the NAD widened the range of silkworm varieties,and was suitable for atificial diet.From comparison of the scores of rearing silkworm and the quality of cocoons by NAD-fed during different larval instars with that of by mulberry leaf-fed in the full larval stage,we conclude that it is feasible to feed the young silkworm with artificial diet before 2nd molting,then with mulberry leaves.
Key words:  artificial diet for young silkworm,setae dispersion rate at 24 h,different larval instar,rearing young silkworm with artificial diet,rearing silkworm with mulberry leaf in the full larval stage

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