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Successful breeding of new silkworm varieties in Hubei Province

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The newly bred silkworm varieties "Ecan 3" and "Ecan 4" were recently awarded the first prize of the Hubei Provincial Science and Technology Progress Award. The robust autumn-use variety Ecan 3, compared with the main autumn-use variety currently promoted in Hubei Province, Huanghe x Zhaoxia: strong resistance, with a unified larval-pupal survival rate of over 92%; high yield, with cocoon production of 33.95 kg per sheet, an increase of 9.94%; excellent silk quality, with a cocoon shell rate of 24.83%, a single cocoon silk length of 1150 m, a reelable silk length of 941 m, and a silk yield of 17.88%, increases of 8-1

The newly bred silkworm varieties "Ecan 3" and "Ecan 4" were recently awarded the first prize of the Hubei Provincial Science and Technology Progress Award.

The robust autumn-use variety Ecan 3, compared with the main autumn-use variety currently promoted in Hubei Province, Huanghe x Zhaoxia: strong resistance, with a unified larval-pupal survival rate of over 92%; high yield, with cocoon production of 33.95 kg per sheet, an increase of 9.94%; excellent silk quality, with a cocoon shell rate of 24.83%, a single cocoon silk length of 1150 m, a reelable silk length of 941 m, and a silk yield of 17.88%, increases of 8-16% respectively.

The dual-purpose spring-autumn high-silk-quantity variety Ecan 4, when reared in autumn, compared with the main autumn-use variety currently promoted in Hubei Province, Huanghe x Zhaoxia: strong resistance, with a unified larval-pupal survival rate of over 93%; high yield, with cocoon production of 34.2 kg per sheet, an increase of 10.75%; excellent silk quality, with a cocoon shell rate of 23.92%, a single cocoon silk length of 1198 m, a reelable silk length of 880 m, and a silk yield of 18.80%, increases of 10-14% respectively.

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