The Free On-line Aquaculture Dictionary

Hormone doses required to induce spawning at first and second injections

Species CPE (Carp Pituitary extract) mg/kg body wt. HCG (Human chorionic Gonadotropin)  IU/kg body weight LHRH (luteinising hormone releasing hormone) mg/kg LHRH (luteinising hormone releasing hormone - analogue) mg/kg
1st 2nd 1st 2nd 1st 2nd 1st 2nd
African Catfish 4   4000     125g(implant) (m=750)
Atlantic Salmon        
Ayu     6  
Bighead carp 6 6 (m=5) 500 - 2000 5 5 2 (m=1) 9
Black Carp - -     10 +1 to 2CPE
Coho Salmon 2 (Salmon P.E.)  0.1 (SSG100) 6 0.1 SGG100 +2 (x3)   200 200
Chum Salmon - -     m=50 50
Channel catfish 4 (every 24 hours until spawning occurrs) - 1000 - 1800    
Common Carp 0.3 3 (m=0.3) 800-1000    
Gilthead Bream - - 150 150    
Grey Mullet 50 +3300HCG - 17000 34000    
Grass Carp 6 6 (m=5) 1500 0.5 6.5 5-10 63
Goldfish - - 50 100 0.1 - 1.0 (x5 daily)   10-100 100
Indian Carp 2 8 400 1600    
Medaka     1 (6 x bi weekly)  
Sea Bass     250 250     100 100
Striped Bass     250-330 (m=100-150)    
Silver Carp 6 6 (m=5) 800-900 2 2 2 10 (m=5)
Walleye 5 (x4)   140 140    
Key - SSG100 - A purified extract, all dosages are for the female fish, except those specified with "m" which are for the males.