Effect of the covered-rearing with plastic film on the growth and development of grown silkworm
Effects of the plastic film covered rearing with two feedings a day on the growth and development of grown silkworm (4-5 instar) were studied in this paper. Results showed that under conditions of covering with plastic film for 10-20 h per day and decreasing feeding times from 4 times per day to 2 t...
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| Format: | Article |
| Language: | English |
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Zhejiang University Press
2001-03-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
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| Online Access: | https://www.academax.com/doi/10.3785/1008-9209.2001.02.0221 |
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| author | SHI Lian-gen ZHOU Jin-qian |
| author_facet | SHI Lian-gen ZHOU Jin-qian |
| author_sort | SHI Lian-gen |
| collection | DOAJ |
| description | Effects of the plastic film covered rearing with two feedings a day on the growth and development of grown silkworm (4-5 instar) were studied in this paper. Results showed that under conditions of covering with plastic film for 10-20 h per day and decreasing feeding times from 4 times per day to 2 times per day in grown silkworm stage, no any negative effects on the duration of 4th instar, body weight, molting regularity, ingestion and digestion of mulberry leaves, leaf-silk conversion rate, yield and quality of cocoon were found except that duration of 5th instar were cutted shord 2 h, and that the someitems shell slightly increased. It was feasible to covering with plastic filmfor 10-20 h per day and decreasing feeding times to two times per day if a proper rearing management was accepted. |
| format | Article |
| id | doaj-art-9723c54fa55e43f29ac2b3291db0aedc |
| institution | DOAJ |
| issn | 1008-9209 2097-5155 |
| language | English |
| publishDate | 2001-03-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | 浙江大学学报. 农业与生命科学版 |
| spelling | doaj-art-9723c54fa55e43f29ac2b3291db0aedc2025-08-20T02:47:45ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552001-03-012722122410.3785/1008-9209.2001.02.022110089209Effect of the covered-rearing with plastic film on the growth and development of grown silkwormSHI Lian-genZHOU Jin-qianEffects of the plastic film covered rearing with two feedings a day on the growth and development of grown silkworm (4-5 instar) were studied in this paper. Results showed that under conditions of covering with plastic film for 10-20 h per day and decreasing feeding times from 4 times per day to 2 times per day in grown silkworm stage, no any negative effects on the duration of 4th instar, body weight, molting regularity, ingestion and digestion of mulberry leaves, leaf-silk conversion rate, yield and quality of cocoon were found except that duration of 5th instar were cutted shord 2 h, and that the someitems shell slightly increased. It was feasible to covering with plastic filmfor 10-20 h per day and decreasing feeding times to two times per day if a proper rearing management was accepted.https://www.academax.com/doi/10.3785/1008-9209.2001.02.0221grown silkwormcovered-rearing with plastic filmtwo feedings a daygrowth and developmenttechnique of labor-saving rearing |
| spellingShingle | SHI Lian-gen ZHOU Jin-qian Effect of the covered-rearing with plastic film on the growth and development of grown silkworm 浙江大学学报. 农业与生命科学版 grown silkworm covered-rearing with plastic film two feedings a day growth and development technique of labor-saving rearing |
| title | Effect of the covered-rearing with plastic film on the growth and development of grown silkworm |
| title_full | Effect of the covered-rearing with plastic film on the growth and development of grown silkworm |
| title_fullStr | Effect of the covered-rearing with plastic film on the growth and development of grown silkworm |
| title_full_unstemmed | Effect of the covered-rearing with plastic film on the growth and development of grown silkworm |
| title_short | Effect of the covered-rearing with plastic film on the growth and development of grown silkworm |
| title_sort | effect of the covered rearing with plastic film on the growth and development of grown silkworm |
| topic | grown silkworm covered-rearing with plastic film two feedings a day growth and development technique of labor-saving rearing |
| url | https://www.academax.com/doi/10.3785/1008-9209.2001.02.0221 |
| work_keys_str_mv | AT shiliangen effectofthecoveredrearingwithplasticfilmonthegrowthanddevelopmentofgrownsilkworm AT zhoujinqian effectofthecoveredrearingwithplasticfilmonthegrowthanddevelopmentofgrownsilkworm |