Finfish Breeding and Hatchery Management

1.4.2.c. Indices of spawn quantity and quality

Unit 1 - Fish seed resources and natural breeding of finfishes

2.5. Indices of spawn quantity and quality

Spawn quantity index: The desirable spawn taken by one standard net during a season is defined as the index of spawn quantity or yield of a centre.

Spawn quality index: Total percentage of major carp spawn available in a site.

Spawn categories: (i) major carps, (ii) minor carps and (iii) others