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[object Object],[object Object],[object Object],[object Object],Reproduction, Early Life Stages, Growth (Chapter 6 and additional material)
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Reproduction, Early Life Stages, Growth
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
Reproduction – hormones that control  release  of gametes Reproduction, Early Life Stages, Growth Brain Pit Gonad dopamine - LHRH + LH Gametes
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Reproduction, Early Life Stages, Growth
Reproduction – captive natural spawning Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],spawning containers fish in spawning containers
Reproduction – captive induced spawning Reproduction, Early Life Stages, Growth MIH MIH R.W. Rottmann et al. 1991 LHRH = GnRH
Reproduction – captive induced spawning Reproduction, Early Life Stages, Growth R.W. Rottmann et al. 1991 MIH hCG = human chorionic gonadotropin
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Reproduction, Early Life Stages, Growth
Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Embryo-larva transition
Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Inflexion point
Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reproduction, Early Life Stages, Growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],Reproduction, Early Life Stages, Growth

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Fish reproduction razia 2

  • 1.
  • 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
  • 5.
  • 6.
  • 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
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.