First. Compared the performance and yield strength of silkworm cocoons of increasing temperature on incubation at 28 ° C with egg on species and varieties Thailand Thailand hybrid .
1. compare the performance strength of the larva and cocoon production effects of increasing temperature to more than 28 degrees Celsius egg with egg varieties, cultivars, and hybrids Thai Thai .
1. Compare the performance and the strength of silk worm production nest, the temperature increase of the silk eggs? 28 degrees Celsius with the egg Thai silk plants and plants Thai hybrid