Escaffre and Billard, 1976



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Rutilus rutilus Male Onset of spermatogenesis September until November [stops during winter] ['March', 'January', 'September', 'February', 'November']
Rutilus rutilus Male Maximum GSI value 9 [March] 9.0 percent
Rutilus rutilus Male Main spermatogenesis activity February ['February']
Rutilus rutilus Male Resting period About 1 [During June-August] 1.0 months
Rutilus rutilus Male Spermatogenesis duration 7 months [Duration between the beginning of spermatogonial multiplications and the appartion of spermatozoa] 7.0 months