Shrimp surveillance certification program sscp
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Shrimp Surveillance & Certification Program (SSCP). Allen C. Riggs DVM, MS Veterinary Medical Officer Aquaculture Development Program – Disease Prevention (ADP-DP) Hawaii Dept of Agriculture (HDOA). SSCP.

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Shrimp Surveillance & Certification Program (SSCP)

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Shrimp surveillance certification program sscp

Shrimp Surveillance & Certification Program (SSCP)

Allen C. Riggs DVM, MS

Veterinary Medical Officer

Aquaculture Development Program – Disease Prevention (ADP-DP)

Hawaii Dept of Agriculture (HDOA)


Shrimp surveillance certification program sscp

SSCP

  • Voluntary partnership between Hawaii marine shrimp broodstock and seedstock producers with the Hawaii Department of Agriculture

  • 3rd party oversight with chain of custody sample collection and handling to USDA-APHIS certified crustacean diagnostic lab


Sscp protocol overview

SSCP Protocol Overview

  • The primary goal is for marine broodstock and seedstock producers to acquire Specific Pathogen Free (SPF) status for their facility

  • The Program is based on polymerase chain reaction (PCR) testing protocols following OIE guidelines for the 7 currently listed OIE marine shrimp pathogens

  • 24 months continuous negative testing is required for SPF status


Origin of sscp

Origin of SSCP

  • Initial surveillance protocols were started in the late 1990’s for each operations internal biosecurity

  • This was not the standardized 3rd party HDOA program of today but was a good starting point for several reasons

  • Most important is this was a voluntary program that the industry considered important and the cost/time involved was worth the investment

  • This mindset facilitated the more structured current SSCP program


International import regulations

International Import Regulations

  • Only recently have most international countries required health certification and specific pathogen testing documentation for live marine shrimp broodstock and seed stock to enter their countries

  • No uniformity but the current OIE crustacean disease list is the best template for a basic SSCP program


Marine shrimp life farming cycle

Marine shrimp life/farming cycle

  • Adult female day 0 stenohaline

  • Fertilized egg day 0-5

  • Nauplius larvae day 1-2

  • Zoea larvae day 2-7

  • Mysis larvae day 7-10

  • PL (post-larvae) day 10-25 euryhaline

  • Juvenile day 25-90

  • Subadult day 90-150

  • *Lightner – Shrimp Disease and Diagnosis - 2006


Hawaii marine broodstock shrimp

Hawaii Marine Broodstock Shrimp

  • 12 marine broodstock shrimp producers currently in operation on four islands in Hawaii ( Oahu, Molokai, Kauai and Big Island )

  • Most important component of shrimp farming in Hawaii – 3+ Million dollar annual farmgate value

  • Typical marine broodstock shrimp is 11 -12 months old with a reproductive life span of 3 to 6 months maximum

  • For intra-island, interstate( to mainland US), or international export must have health certification and specific pathogen negative status documentation


Hawaii seedstock shrimp

Hawaii Seedstock Shrimp

  • Again these 12 operations can also supply seedstock to other broodstock producers or to off-site commodity food shrimp producers

  • Typically PL after day 8 (osmoregulate) to day 25 are sold for growout stocking

  • For intra-island transfer to second party grow-out operations, interstate( to mainland US), and international exports health certification and specific pathogen negative testing documentation is also required


Sscp sampling protocols

SSCP Sampling Protocols

  • New Facility

  • Export Facility

  • SPF Facility

  • Tissues sampled: hemolymph, pleopods, and fecal strands for survival methods with broodstock

  • Whole or partial PL for lethal methods with smaller animals

  • Only one shrimp farm/site is visited per 24 hours to allow for adequate disinfection of staff/equipment


Sscp spf shrimp definition

SSCP- SPF shrimp definition

  • The SSCP definition for SPF shrimp refers to a stock that is subject to a regular PCR surveillance program for the 7 current OIE listed marine shrimp pathogens with a minimum of 24 months continuous testing

  • USDA-APHIS certified lab to diagnose crustacean diseases must be used

  • OIE guidelines for surveillance protocols to be followed

  • No farm submitted surveillance samples …only ADP/HDOA 3rd party chain of custody sample collection used in the SSCP

  • No requirements for biosecurity or husbandry type in this definition


New facility

New Facility

  • Site specific

  • Test schedule will be months 1, 3, 6, 12, 18, and 24 months

  • A total number of 60 shrimp will be tested for all 7 listed diseases – 95% confidence/ 5% prevalence for populations up to and over 100,000 shrimp ( Section 3.2 Diagnosis in subclinical crustacean carriers: Manual of Dx Tests for AA - 2006)

  • Sampling regime includes all life stages on site

  • Shrimp used to stock this facility must originate from a SPF facility


Export status facility

Export Status Facility

Site specific

Successful completion of three negative sample sets in the New farm program – months 1, 3, and 6

Facility now allowed to ship/export live shrimp with health documents

SPF language not used to describe stocks

Testing will continue at months 12, 18, and 24 with the 60 shrimp/sample set to acquire SPF certification


Specific pathogen free facility

Specific Pathogen-Free Facility

  • Site specific

  • Shrimp used to stock this facility site must originate from a SPF facility

  • Testing schedule will continue every 6 months

  • Total number of shrimp tested can be reduced to 30 animals (Section 3.3 Testing for verification or maintenance of freedom from specific diseases: Manual of Dx Tests for AA – 2006)

  • Sampling regime includes all life stages on site

  • SPF language added to health certification reports


Industry state partnership industry costs

Industry/State Partnership: Industry Costs

  • True partners share both costs and benefits in a business relationship

  • The shrimp producer in the SSCP is responsible for all the PCR testing fees:

    SPF operations testing 30 shrimp for each of the 7 currently listed OIE diseases is $972.00/sample set every 6 months or $1944.00/year ( current University of Arizona – Aquatic Pathology Laboratory prices)


Industry state partnership industry costs1

Industry/State Partnership: IndustryCosts

  • For New Farms or Export Status Farms working toward SPF Certification, the 60 animal sample set for each of the 7 currently listed OIE diseases must be followed

  • The cost per sample set is $1944.00

  • Year 1 with 4 sample sets (months 1, 3, 6, and 12) is $7776.00

  • Year 2 with 2 sample sets ( months 18 and 24) is $3888.00


Industry state partnership state costs

Industry/State Partnership: State Costs

ADP-DP is responsible for all costs involved in ADP-DP staff traveling to each SSCP farm site for chain of custody documentation, both on Oahu and the outer islands: airfare, rental car or state vehicle costs

ADP-DP staff time is covered by HDOA budget

ADP-DP provides all necessary vials, fixatives and collection instruments and covers shipping costs to UAZ-APL

The ADP-DP/HDOA component of the SSCP is a 100% Hawaii State funded program


Future challenges questions

Future challenges/questions

  • When to add emerging diseases to SSCP

    NHP – Necrotizing hepatopancreatitis

    This disease is under study by OIE and likely to be listed in the future

    When to remove delisted diseases from the SSCP (BP and MBV). Many countries still require surveillance data on these two diseases for live shrimp imports


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