Characteristics of commercial races

Cocoon filament selection-Healthiness(Spring rearing season)

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No. Race Hatchability
(per all eggs)
(%)
Hatchability
(per fertilized eggs)
(%)
Percentage of missing larvae
(%)
Reelability percentage
(%)
Percentage of double cocooning silkworms
(%)
The number of cocoons per liter Cocoon weight
(g)
Cocoon shell weight
(cg)
Cocoon shell percentage
(%)
Weight of cocoon filament
(g)
Raw silk percentage
(%)
Length of cocoon filament
(m)
Size of cocoon filament
(d)
Degumming loss percentage
(%)
Neatness
(points)
1441 N143R
77
77
19
97
0
78
1.88
42.1
22.4
0.335
17.02
872
3.58
96.5
98.6