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FAO publishes guidelines for white shrimp hatcheries

Victoria Alday-Sanz, Ph.D. Rohana P. Subasinghe, Ph.D.

Focus on pre-spawning and post-spawning processes

white shrimp hatcheries
Among other topics, the report provides information on how standardized operating procedures and HACCP interventions can be applied.

The Food and Agriculture Organization (FAO) of the United Nations recently published a technical paper with the aim of helping Latin American hatchery operators produce quality, disease-free (Penaeus vannamei) postlarvae, thus improving production and the sustainability of white shrimp aquaculture in the area.

FAO paper 450, titled “Health Management and Biosecurity Maintenance in White Shrimp Penaeus vannamei Hatcheries in Latin America,” is currently available only in English. A Spanish version will be available soon.

The document was compiled through an extensive consultative process undertaken 2001-2003 that involved input from government-designated national coordinators, regional and international experts, representatives from intergovernmental organizations and the private-sector, and FAO. The process was made possible through the FAO Regional Technical Cooperation Program project Assistance to Health Management of Shrimp Culture in Latin America, which involved the participation of 14 countries in the region.

Healthy postlarvae key

During efforts to find lasting solutions to the disease problems affecting P. vannamei culture in Latin America, it was perceived that stocking with healthy postlarvae was a key factor for achieving better survival during production. However, the successful production of healthy post-larvae requires a clear understanding of the principles of sound health management and hatchery biosecurity.

Production and spawning

The paper has three main sections that focus on reffective hatchery production, the pre-spawning process, and the post-spawning process. It provides technical guidance on how to improve the health and quality of postlarvae produced in hatcheries through proper facility maintenance, husbandry and broodstock quarantine. It addresses spawning and maturation, larval rearing, feeding, water quality, biosecurity and health management, using interventions at different points of the hatchery production process.

SOPs, health and quality assessments

“Health Management and Biosecurity Maintenance in White Shrimp Penaeus vannamei Hatcheries in Latin America” also provides valuable information on how standardized operating procedures and hazard analysis critical control point (HACCP) interventions can be applied during the hatchery production of P. vannamei postlarvae.

There are clear instructions on the potential uses and dosages of chemicals recommended by the Office International des Epizooties. The paper describes methods for the health assessment of larvae and postlarvae based on gross observation, light microscopy and basic bacteriology, and laboratory methods such as polymerase chain reaction or immunodiagnostics. A description of quality assessment that applies a scoring procedure for selecting postlarvae for stocking is also provided.

Copies of the publication can be requested by e-mailing Dr. Rohana Subasinghe at FAO, rohana.subasinghe@fao.org.

(Editor’s Note: This article was originally published in the August 2004 print edition of the Global Aquaculture Advocate.)


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