Robins Mclntosh
Robins MclntoshExecutive Vice President, Charoen Pokphand Foods Public Company, Thailand

Day 2: 13 Nov 2019 - 2:20 – 2:40 PM

Fact, Truths and Myths about SPF, SPR and SPT Shrimp in Aquaculture

Shrimp domestication and genetic improvement programs began in the late 1980s, in the United States of America, under the United States Marine Shrimp Farming Program (USMSFP), using the Pacific white leg shrimp Penaeus vannamei. The USMSFP was based on proven concepts from the livestock and poultry industries and began with establishing a specific pathogen free (SPF) shrimp stock. The original shrimp stock was obtained by rigorous screening of captured wild shrimp for selection of individuals naturally free of major shrimp pathogens. Although the concept of SPF animals was well defined for terrestrial animals, it was relatively new for aquaculture, and it took some time to be adopted by the aquaculture community. In the early 1990s, parallel to USMSFP, several other programs on genetic improvement of shrimp were also initiated in Latin America. Subsequently, several new terminologies and products, such as specific pathogen resistant (SPR) shrimp, specific pathogen tolerant (SPT) shrimp and even “all pathogen exposed” (APE) shrimp, entered the shrimp industry vocabulary and became commercial. This led to confusion in the shrimp industry about the meaning, relationship and significance of these new terms with respect to SPF. This talk will clarify these concepts, provide science-based definitions, reconfirms the importance of developing, maintaining and using domesticated, specific pathogen free (SPF) shrimp stocks (which may also achieve SPR and/or SPT status) to reduce the risk of disease outbreaks and increase production and profit. Each of this type of products have specific sanitary and genetic characteristics which makes them more or less suitable to the different culture systems.

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