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Michael Pietrak
National Cold Water Marine Aquaculture Center
Research Geneticist (Plants)

Phone: (207) 422-2723
Fax:

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Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Intermittent detections of ISAV-HPR0 in a salmon recirculating aquaculture system, and implications for sampling Reprint Icon - (Peer Reviewed Journal)
Pietrak, M.R., Warg, J., Gustafson, L., Peterson, B.C. 2024. Intermittent detections of ISAV-HPR0 in a salmon recirculating aquaculture system, and implications for sampling. Fishes. 9(8):325-337. https://doi.org/10.3390/fishes9080325.
Genetic architecture and accuracy of predicted genomic breeding values for sea lice resistance in the St John River aquaculture strain of North American Atlantic salmon Reprint Icon - (Peer Reviewed Journal)
Vallejo, R.L., Pietrak, M.R., Milligan, M.T., Gao, G., Tsuruta, S., Fragomeni, B.O., Long, R., Peterson, B.C., Palti, Y. 2024. Genetic architecture and accuracy of predicted genomic breeding values for sea lice resistance in the St John River aquaculture strain of North American Atlantic salmon. Aquaculture. 586:740819. https://doi.org/10.1016/j.aquaculture.2024.740819.
Rapid differentiation of infectious salmon anemia virus avirulent (HPR0) from virulent (HPR) variants using multiplex RT-qPCR Reprint Icon - (Peer Reviewed Journal)
Rounsville, T., Polinski, M.P., Marini, A., Turner, S., Vendramin, N., Cuenca, A., Pietrak, M.R., Peterson, B.C., Bouchard, D. 2024. Rapid differentiation of infectious salmon anemia virus avirulent (HPR0) from virulent (HPR) variants using multiplex RT-qPCR. Journal of Veterinary Diagnostic Investigation. 36(3):329-337. https://doi.org/10.1177/10406387231223290.
Fine-scale environmentally associated spatial structure of Lumpfish (Cyclopterus lumpus) across the Northwest Atlantic Reprint Icon - (Peer Reviewed Journal)
Langille, B.L., Kess, T., Brachmann, M., Nugent, C.M., Messmer, A., Duffy, S.J., Holborn, M.K., Van Wyngaarden, M., Knutsen, T., Kent, M., Boyce, D., Gregory, R.S., Gauthier, J., Fairchild, E.A., Pietrak, M.R., Eddy, S., De Leaniz, C., Whittaker, B., Bentzen, P., Bradbury, I.R. 2023. Fine-scale environmentally associated spatial structure of Lumpfish (Cyclopterus lumpus) across the Northwest Atlantic. Evolutionary Applications. https://doi.org/10.1111/eva.13590.
Rapid Differentiation of Infectious Salmon Anemia Virus avirulent from virulent variants using Multiplex RT-qPCR - (Abstract Only)
The generation of the first chromosome-level de-novo genome assembly and the development and validation of a 50K SNP array for the St John River aquaculture strain of North American Atlantic salmon Reprint Icon - (Peer Reviewed Journal)
Gao, G., Waldbieser, G.C., Ramey, Y.C., Zaho, D., Pietrak, M.R., Stannard, J.A., Buchman, J.T., Scheffler, B.E., Peterson, B.C., Palti, Y., Rexroad III, C.E., Long, R., Burr, G.S., Milligan, M.T. 2023. The generation of the first chromosome-level de-novo genome assembly and the development and validation of a 50K SNP array for the St. John River aquaculture strain of North American Atlantic salmon. G3, Genes/Genomes/Genetics. jkad138. https://doi.org/10.1093/g3journal/jkad138.
A New Multiplex RT-qPCR For The Rapid Differentiation Of ISAV-HPR0 From ISAV HPR-delete - (Abstract Only)
A glimpse into the bio-physical environment of the sea louse (Lepeophtheirus salmonis (Kroyer 1837)) digestive tract - (Peer Reviewed Journal)
Symmetry of tissue-specific immune expression and microbiota profiles across mucosal tissues of Atlantic salmon (Salmo salar) highlight host-microbe coadaptations that are marginally perturbed by functional feeds Reprint Icon - (Peer Reviewed Journal)
Bledsoe, J.W., Pietrak, M.R., Burr, G.S., Peterson, B.C., Small, B.C. 2022. Symmetry of tissue-specific immune expression and microbiota profiles across mucosal tissues of Atlantic salmon (Salmo salar) highlight host-microbe coadaptations that are marginally perturbed by functional feeds. Animal Microbiome. https://doi.org/10.1186/s42523-022-00173-0.
Genetic and Other Innovative Strategies to Reduce Sea Lice - (Proceedings)
A new single nucleotide polymorphism database for North American Atlantic salmon generated through whole genome re-sequencing Reprint Icon - (Peer Reviewed Journal)
Gao, G., Pietrak, M.R., Burr, G.S., Rexroad III, C.E., Peterson, B.C., Palti, Y. 2020. A new single nucleotide polymorphism database for North American Atlantic salmon generated through whole genome re-sequencing. Frontiers in Genetics. 11:85. https://doi.org/10.3389/fgene.2020.00085.
Genetic improvement of North American Atlantic salmon and the eastern oyster Crassostrea virginica at the U.S. Department of Agriculture-Agricultural Research Service National Cold Water Marine Aquaculture Center - (Peer Reviewed Journal)
Peterson, B.C., Burr, G.S., Pietrak, M.R., Proestou, D.A. 2020. Genetic improvement of North American Atlantic salmon and the eastern oyster Crassostrea virginica at the U.S. Department of Agriculture-Agricultural Research Service National Cold Water Marine Aquaculture Center. North American Journal of Aquaculture. 82:321-330.
Morphologic and molecular characterization of Gyrodactylus cyclopteri Scyborskaja, 1948 from Cyclopertus lumpus L., 1758 Reprint Icon - (Peer Reviewed Journal)
Pietrak, M.R., Rosser, T.G. 2020. Morphologic and molecular characterization of Gyrodactylus cyclopteri Scyborskaja, 1948 from Cyclopertus lumpus L., 1758. Parasitology Research. 119:879-884. http://doi.org/10.1007/s00436-019-06542-0.
A long reads-based trio-binning De-novo assembly of the North American Atlantic salmon genome - (Abstract Only)
Gao, G., Waldbieser, G.C., Youngblood, R.C., Pietrak, M.R., Scheffler, B.E., Rexroad III, C.E., Peterson, B.C., Palti, Y. 2020. A long reads-based trio-binning De-novo assembly of the North American Atlantic salmon genome. Plant and Animal Genome Conference. 28th International Plant and Animal Genome Conference held in San Diego, CA, January 11, 2020. P.No.PO0425.
A long reads-based trio-binning De-novo assembly of the North American Atlantic salmon genome - (Abstract Only)
Gao, G., Waldbieser, G.C., Youngblood, R.C., Pietrak, M.R., Scheffler, B.E., Rexroad Iii, C.E., Peterson, B.C., Palti, Y. 2019. A long reads-based trio-binning De-novo assembly of the North American Atlantic salmon genome. In:Proceedings of International Conference on Integrative Salmonid Biology. Fourth International Conference on Integrative Salmonid Biology, November 17, 2019, Edinburgh, Scotland, UK. P.No.Poster - 1
The three-spined stickleback, Gasterosteus aculeatus Linnaeus 1758 plays a minor role as a host of Lepeophtheirus salmonis (Kroyer 1837) in the gulf of Maine Reprint Icon - (Peer Reviewed Journal)
Pietrak, M.R., Jensen, A., Zydlewski, G., Bricknell, I. 2019. The three-spined stickleback, Gasterosteus aculeatus Linnaeus 1758 plays a minor role as a host of Lepeophtheirus salmonis (Kroyer 1837) in the gulf of Maine. Journal of Fish Diseases. 42: 985-989. https://doi.org/10.1111/jfd.12998.
The infection dynamicsof sea lice on sentinel Atlantic salmon in Cobscook Bay, ME - (Abstract Only)
Atlantic salmon breeding program at the National Cold Water Marine Aquaculture Center - (Abstract Only)
Peterson, B.C., Burr, G.S., Pietrak, M.R. 2018. Atlantic salmon breeding program at the National Cold Water Marine Aquaculture Center. Abstract.38th Milford Aquaculture Seminar. Shelton, CT, January 8-10, 2018.
Treatment of lumpfish (Cyclopterus lumpus L.) infected with Gyrodactylus cyclopteri (Scyborskaya 1948) - (Peer Reviewed Journal)
Pietrak, M.R., Backman, S. 2018. Treatment of lumpfish (Cyclopterus lumpus L.) infected with Gyrodactylus cyclopteri (Scyborskaya 1948). Journal of Fish Diseases. 41:721-723.
Scratching the surface: A sentinel exploration of sea louse infestations in Cobscook Bay, Maine - (Abstract Only)
Frederick, C., Pietrak, M.R., Barker, S., Bricknell, I. 2017. Scratching the surface: A sentinel exploration of sea louse infestations in Cobscook Bay, Maine. Northeast Aquaculture Conference and Exposition Meeting Abstract. p. 39-40.
Update to the Atlantic salmon breeding program at the National Cold Water Marine Aquaculture Center - (Abstract Only)
Peterson, B.C., Burr, G.S., Pietrak, M.R. 2018. Update to the Atlantic salmon breeding program at the National Cold Water Marine Aquaculture Center. Abstract, Aquaculture America 2018. Las Vegas, NV February 19-22, 2018. p. 361.
Atlantic salmon and eastern oyster breeding programs at the National Cold Water Marine Aquaculture Center - (Proceedings)
Kristen Gruenthal, Clete Otoshi, Paul Olin, and Mike Rust (editors). 2017. Genetics and Breeding in Aquaculture: Proceedings of the 44th U.S.–Japan Aquaculture Panel Symposium, Seattle, WA, November 1, 2016. U.S. Dept. Commerce, NOAA Tech.Memo. NMFS-F/SPO-175, 78 p.
Starting up a lumpfish breeding program and those pesky opportunistic bacteria - (Abstract Only)
Pietrak, M.R., Cem, G., Peterson, B.C. 2017. Starting up a lumpfish breeding program and those pesky opportunistic bacteria. American Fisheries Society Meeting Abstract.
The changing war on sea lice: the rise of non-drug based treatments - (Abstract Only)
Pietrak, M.R., Bricknell, I. 2017. The changing war on sea lice: the rise of non-drug based treatments. World Aquaculture Society Meeting.
Atlantic salmon and eastern oyster breeding programs at the National Cold Water Marine Aquaculture Center - (Abstract Only)
Burr, G.S., Pietrak, M.R., Proestou, D.A., Peterson, B.C. 2016. Atlantic salmon and eastern oyster breeding programs at the National Cold Water Marine Aquaculture Center. U.S.-Japan Aquaculture Panel Symposium, Seattle, WA.
Opportunistic bacterial infection in wild caught Lumpfish - (Abstract Only)
Pietrak, M.R., Giray, C., Peterson, B.C. 2016. Opportunistic bacterial infection in wild caught Lumpfish. Aquaculture Canada Meeting Abstract. p. 9-10.
Selective breeding program for sea lice Lepeophtheirus salmonis (Kroyer 1838) at the USDA's National Cold Water Marine Aquaculture Center - (Trade Journal)
Pietrak, M.R., Wolters, W., Rexroad Iii, C.E., Peterson, B.C. 2017. Selective breeding program for sea lice Lepeophtheirus salmonis (Kroyer 1838) at the USDA's National Cold Water Marine Aquaculture Center. Aquaculture Conference Proceedings. 46-52.
Addition of a selective breeding program for resistance to sea lice Lepeophtheirus salmonis (Kroyer 1838) to existing lines of Atlantic Salmon, Salmo salar L., at the USDA's National Cold Water Marine Aquaculture Center - (Abstract Only)
Pietrak, M.R., Wolters, W.R., Rexroad Iii, C.E. 2016. Addition of a selective breeding program for resistance to sea lice Lepeophtheirus salmonis (Kroyer 1838) to existing lines of Atlantic Salmon, Salmo salar L., at the USDA's National Cold Water Marine Aquaculture Center. World Aquaculture Society Meeting. p. 622.