The Silkworm Egg Races improved by the Sericultural Experiment Station of Japan
(These races were put to the Pilot Survey within and without the Ministry
of Agriculture Forestry and Fisheries and to the Pilot Survey within
the Sericultural Experiment Station.)

1. １９５９
2. １９６０
3. １９６１
4. １９６２
5. １９６３
6. １９６４
7. １９６５
8. １９６６
9. １９６７
10. １９６８
11. １９６９
12. １９７０
13. １９７１
14. １９７２
15. １９７３
16. １９７４
17. １９７５
18. １９７６
19. １９７７
20. １９７８
21. １９７９
22. １９８０
23. １９８１
24. １９８２
25. １９８３
26. １９８４
27. １９８５
28. １９８６
29. １９８７
30. １９８８