Effects of temperature and humidity on the development and food consumption of Bombyx mori in Syrgaria in Mato Grosso do Sul
DOI:
https://doi.org/10.52945/rac.v38i3.2210Keywords:
Silkworm, Environmental conditions, sericulture, bioecologyAbstract
Sericulture involves raising silkworms for the production of silk. Brazil is the seventh-largest silk producer, employing small family farmers. Considering that climate change has drastically altered production environments in recent years, the objective of this study was to evaluate the influence of temperature and humidity on the development of Bombyx mori L. throughout the seasons (fall, spring and summer). The experiment was conducted at the Indaiá Settlement in the municipality of Itaquiraí, Mato Grosso do Sul, from May to November 2008 and January 2009. The mulberry cultivar used was Korin, and temperature and relative humidity data in the sheds were monitored with a thermohygrometer. The method used to quantify the silkworm's nutritional diet was based on three measurements: the weight of food consumed, the weight of feces, and the weight gained by the insect. No influence of temperature and humidity on biometric and nutritional parameters was observed. The results indicate that the continuous supply of food exerted a greater influence on larval development than variai-os in temperature and humidity.
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