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National INAD Program Administrator
Fish and Aquatic Conservation,
Aquatic Animal Health
GnRH IIa is a synthetic peptide analogue of chicken gonadotropin-releasing hormone (cGnRH IIa). It is presented as a dry powder to be resuspended in saline solution for intraperitoneal (IP) injection and is only available for purchase through AquaTactics Fish Health. The use of hormones to induce spawning in fish is critical to the success of many aquatic programs that need hormone treatment to complete final gamete maturation to ensure spawning.