Comparison of Cocoon and Filament Quality of Bombyx mori L. Chinese Egg Seeds and Perum Perhutani Egg Seeds

Abstract

The sustainability of natural silk in South Sulawesi, especially in Soppeng Regency, has experienced a decline in production related to the quality of silkworms. The Indonesian government tried to import silkworm eggs from the Chinese to restore the silk business. It is necessary to know how the quality of silkworm eggs from the Chinese compares with local silkworm eggs produced by the State Forestry Public Company (Perum Perhutani). Therefore, this research aims to compare the quality of cocoons and filaments between Chinese egg seeds and Perum Perhutani egg seeds so that we can find out which egg seeds produce the best quality and production. The two egg seeds were tested in Pising Village, Donri-Donri District, Soppeng Regency. The parameters observed were fresh cocoon weight, cocoon shell weight, percentage, filament length, reelability and filament weight. The results of the research showed that there was a significant difference between egg seeds from Chinese and Perum Perhutani egg seeds in the reelability variable. Reelability of egg seeds from Chinese shows that the average cocoon weight is 74.06% higher compared to 69.31% for Perum Perhutani egg seeds. Apart from that, those produced from egg seeds from Chinese were also greater with differences in fresh cocoon weight of 1.56 g, cocoon shell weight of 0,29 g, cocoon shell percentage of 19.65%, filament weight of 0.25 g, while filament length was higher in seeds. Perum Perhutani eggs with a difference of 1118.39 m. The quality of cocoons and silkworm filaments from Chinese seeds and Perum Perhutani is classified into class C based on SNI: 2011. These results indicate that egg seeds from the Chinese have a higher potential to produce quality silk. This research emphasizes the importance of choosing the right egg seed to increase the quality and quantity of silk production. With the results obtained, it is hoped that the silk industry can choose more sources of egg seeds, especially to increase the competitiveness of silk products in the global market.

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