The Free On-line Aquaculture Dictionary

Common Carp Pituitary GTH fluctuations (with March/April natural spawning)
Month mg GTH / pituitary
Jan 0.4
Feb 1.0
Mar 1.45
Apr 0.75
May 0.3
Jun 0.3
Jul 0.35
Aug 0.3
Sep 0.2
Oct 0.75
Nov 0.8
Dec 0.75