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SBIR-STTR Award
4
Production of all-female, triploid Manila clam seed for U.S. West Coast growers
Award last edited on: 3/27/2021
Sponsored Program
SBIR
Awarding Agency
USDA
Total Award Amount
$99,946
Award Phase
1
Solicitation Topic Code
8.699999999999999
Principal Investigator
Dennis Hedgecock
Company Information
Pacific Hybreed Inc
7305 Beach Drive East
Port Orchard, WA 98366
(206) 794-1442
info@pacifichybreed.com
www.pacifichybreed.com
Location:
Single
Congr. District:
06
County:
Kitsap
Phase I
Contract Number:
2020-01014
Start Date:
6/18/2020
Completed:
2/28/2021
Phase I year
2020
Phase I Amount
$99,946
On the U.S. West Coast farming of Manila clam second largest crop behind Pacific oysters relies on hatchery propagation of seed from wild stocks. Post-harvest spawning of clams in summer results in complete product loss as growers cannot sell or replant spawned clams. There are no breeding programs for the Manila clam and sterile triploid stocks are not commercially available as for the Pacific oyster despite being an obvious solution to post-harvest spawning. Aligned with Topic Area 8.7 this proposal seeks to (1) eliminate post-harvest spawning of Manila clams annual losses of more than $0.25 M in product and reputational damages and (2)increase yields by 20% in a single generation using faster-growing all-female seed which would add about $5 M annually. The project will bundle three technical advances required to realize the value propositions: (1) implementation of strip-spawning; (2) induction of triploidy and tetraploidy; and (3) identification of primary sex-ratios in full-sib clam families at the 2- or 4-cell embryo stage followed by rearing of families with contrasting sex-ratios. Phase I will set the stage for development in Phase II of genetic markers to confirm pedigrees and enable mapping of sex- determining genes. Strip-spawning Manila clams will provide access to unfertilized eggs allow controlled crosses and permit direct-induction of triploidy in female-biased families and tetraploidy in male-biased families allowing for commercial triploid production by a simple4Nâ 2Nâ cross. The project will transform Manila clam aquaculture from exploiting captive wild stocks to farming of sterile high yielding all-female strains.
Phase II
Contract Number:
----------
Start Date:
00/00/00
Completed:
00/00/00
Phase II year
----
Phase II Amount
----
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