A novel two-step procedure for mass production of all-male populations of the giant freshwater prawn< i> Macrobrachium rosenbergii Academic Article uri icon


  • Males of the giant freshwater prawn Macrobrachium rosenbergii grow faster and reach higher weights at harvest than females a fact which makes the culture of all-male populations desirable. All-male populations were produced by mating sex-reversed males, ie, neofemales, with normal males. Neofemales capable of mating and spawning were produced by removal of the androgenic gland (AG) from immature M. rosenbergii males. The main obstacle to developing a technology based on this type of manipulation is the …

publication date

  • June 15, 2006