Billard, 1987



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Salmo trutta fario Female Maximum GSI value About 22 [October] 22.0 percent
Salmo trutta fario Male Onset of spermatogenesis May-June ['May', 'June']
Salmo trutta fario Female Oogenesis duration Ovulation did not exceed one month No data
Salmo trutta fario Male Maximum GSI value 5-6 5.5 percent
Salmo trutta fario Female Resting period From January until April No data
Salmo trutta fario Male Main spermatogenesis activity From July until September, spermatogenetic activity was highest ['July', 'September']
Salmo trutta fario Female Onset of oogenesis May-June ['May', 'June']
Salmo trutta fario Female Intensifying oogenesis activity From July until beginning of October ['October', 'July']
Salmo trutta fario Male Resting period < 0 (April and May) 0.0 months
Salmo trutta fario Male Spermatogenesis duration Spermatogenesis is a very rapid process, about 2 months (or less) 2.0 months