Seasonal changes in the serum calcium level and prolactin cells of Clarias batrachus in relation to the reproductive cycle.
The female specimens of Clarias batrachus show marked seasonal changes in serum calcium level and prolactin cells in relation to the ovarian cycle. The serum calcium level records the maximum value during the prespawning phase whereas, the prolactin cells show minimum activity during this phase. Thus, there is an inverse correlation between the serum calcium level and prolactin cells during the annual ovarian cycle. In male specimens there is no change in the serum calcium level and prolactin cells in relation to the testicular cycle.
D000818:Animals; D002118:Calcium / Q000097:blood*; D005260:Female; D005399:Fishes / Q000097:blood / Q000502:physiology*; D006066:Gonads / Q000166:cytology*; D008297:Male; D010902:Pituitary Gland / Q000166:cytology*; D011388:Prolactin; D012098:Reproduction; D012621:Seasons
D011388:Prolactin; D002118:Calcium