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. 2022 Feb;28(2):373–381. doi: 10.3201/eid2802.211874

Figure 1.

Figure 1

Detection of infectious hypodermal and hematopoietic necrosis virus (IHHNV) in Penaeus vannamei shrimp from the United States by conventional PCR, 2019. Agarose gel photographs show 389-bp IHHNV–specific amplicon (left column) and 309-bp IHHNV–specific amplicon (right column). Top row represents case number 19-490, P. vannamei broodstock samples originating in Florida (A and B). Middle row represents case number 19-428, P. vannamei post-larvae samples originating in Texas (C1 and C2). Bottom row represents case number 19-644, frozen P. vannamei shrimp originating from an indoor farm in Texas (A, B, C, and D). Lane M, 100-bp molecular weight marker (New England Biolabs, Inc., https://www.neb.com); lane SPF, specific pathogen-free P. vannamei shrimp; lane NT, no template control; lane +C, positive control for PCR.