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Fish reproduction razia 2
- 3. Reproduction – general environmental regulation Reproduction, Early Life Stages, Growth brain gonad Fish pituitary steroid hormones Environment seasonal photoperiod profile seasonal temperature profile food availability contaminants other liver LH FSH • androgens • estrogens Vg gonadal development • progestins
- 4. Reproduction – hormones that control release of gametes Reproduction, Early Life Stages, Growth Brain Pit Gonad dopamine - LHRH + LH Gametes
- 7. Reproduction – captive induced spawning Reproduction, Early Life Stages, Growth MIH MIH R.W. Rottmann et al. 1991 LHRH = GnRH
- 8. Reproduction – captive induced spawning Reproduction, Early Life Stages, Growth R.W. Rottmann et al. 1991 MIH hCG = human chorionic gonadotropin