Characteristics of commercial races

Cocoon selection-Weight(Spring rearing season)

PrevTOC
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)
1351 N131W
86
86
4
87
6
77
2.06
53.2
25.9
0.389
19.06
1157
3.14
59.3
95.5
1352 N142W
86
87
8
89
8
83
2.04
51.5
25.2
0.398
19.32
989
3.73
79.5
94.4
1353 C140W
76
77
0
97
0
68
1.84
48.7
26.4
0.269
13.70
950
2.56
96.7
95.0
1354 C131W
78
78
2
96
4
61
1.94
51.0
26.3
0.416
20.29
1483
2.57
87.8
99.0