John Hawke

John Hawke


Department of Pathobiological Sciences

LSU School of Veterinary Medicine
Louisiana State University
Baton Rouge, LA 70803



PhD, Louisiana State University, 1996

MS, Auburn University, 1974

BS, Auburn University, 1972

AS, Jefferson State College, 1970

Research Interest

Study of the pathogenic mechanisms of fish pathogenic bacteria, pathogenesis of white spot syndrome virus in crawfish, development of vaccines for bacterial pathogens of fish for use in commercial aquaculture

Teaching Interest

Diseases of aquatic animals, bacteriology, diagnostic microbiology

Clinical Interest

Aquatic animal health diagnostic testingand Identification of new pathogens of aquatic animals

Awards & Honors

2021, Dean's Teacher Merit Honor Roll

2020, Dean's Teacher Merit Honor Roll

2019, Special Recognition Award USFDA (antibiotic susceptibility testing of aquatic pathogens)

2012, Special Achievement Award, Louisiana Dept. of Wildlife and Fisheries

2010, S.F. Snieszko Distinguished Service Award, American Fisheries Society

2010, LSU IBRDSC Recognition Award

2007, Crystal Globe Award(Clinical Laboratory Standards Institute


Streptococcus dysgalactiae: A pathogen of feral populations of silver carp Hypophthalmichthys molitrix from a fish kill event, Hawke, John; Daniel, Ryan; Strother, Keith; Sokolova, Yuliya; Elliott, Jacqueline; Carossino, Mariano; Langohr, Ingeborg; Del Piero, Fabio; López‐Porras, Adrián; Heckman, Taylor; Soto, Esteban; Griffin, Matt, 2021, Journal of Aquatic Animal Health/Taylor and Francis,

Minimal inhibitory concentration values of oxytetracycline for bacterial pathogens isolated from warmwater fishes. Gaunt, Pat; Gao, Dana; Hawke, John; Griffin, Matt; Ware, Cynthia; Endris, Richard, 2021 North American Journal of Aquaculture, Volume:83, Number: 3, Pages: 138-144.  

Investigation of a Cyprinid Herpesvirus 1 Disease Episode in a Group of Pond-Reared Koi., Crossland, N; Hawke, John; Del Piero, Fabio; Sokolova, Y; Waltzek, T; Viadanna, P, 2018, Journal of Aquatic Animal Health/Taylor and Francis, Volume: 30, Number: 3, Pages: 185-190.

Outbreaks of edwardsiellosis caused by Edwardsiella piscicida and Edwardsiella tarda in barramundi Lates calcarifer, Loch, Tom; Hawke, John; Reichley, Stephen; Faisal, Mohamed; Del Piero, Fabio; Griffin, Matt, 2017, Aquaculture/Elsevier, Volume: 481, Pages: 202-210.

Whole genome sequence of Photobacterium damselae subsp. piscicida strain 91-197 isolated from hybrid striped bass (Morone sp.) in the USA., Teru, Yuki; Hikima, Jun-chi; Kono, Tomoya; Sakai, Masahiro; Takano, Tomokazu; Hawke, John; Takeyama, Haruko; Aoki, Takashi, 2017, Genome Announcements/ASM, Volume: 5, Number: 29, Pages: 2.

Perezia nelsoni (Microsporidia) in Agmasoma penaei-infected Atlantic white shrimp Litopenaeus setiferus (Paenaidae, Decapoda) and phylogenetic analysis of Perezia spp. complex, Sokolova, Yuliya; Hawke, John, 2016, Protistology, Volume: 10, Number: 3, Pages: 67-78.

Improved broth microdilution method for antimicrobial susceptibility testing of Francisella noatunensis ssp. orientalis, Soto, Esteban; Halliday-Simmonds, Iona; Francis, Stewart; Fraites, Trellor; Martinez-Lopez, Beatriz; Wiles, Judy; Hawke, John; Endris, Richard, 2016, Journal of Aquatic Animal Health/Taylor and Francis, Volume: 28, Pages: 199-207.

Experimental Inoculation of Louisiana red swamp crayfish Procambarus clarkii with white spot syndrome virus (WSSV), Pace, Barcley; Hawke, John; Subramanian, Ramesh; Green, Christopher, 2016, Diseases of Aquatic Organisms/Inter-research, Volume: 120, Pages: 143-150

Draft Genome Sequences of Edwardsiella ictaluri Strains LADL11-100 and LADL11-194 Isolated from Zebrafish Danio rerio, Wang, R; Tekedar, H; Lawrence, M; Chouljenko, Vladimir; Kim, J; Kim, N; Kousoulas, Konstantin; Hawke, John, 2015, Genome Announcements/ASM, Volume: 3, Number: 6.

Comparison of Edwardsiella ictaluri isolates from different hosts and geographic locations, Griffin, Matt; Reichley, Stephen; Greenway, Terrence; Quiniou, Sylvie; Ware, Cynthia; Gao, Dana; Gaunt, Patricia; Yanong, Roy; Pouder, Deborah; Hawke, John; Soto, Esteban, 2015, Journal of Fish Diseases/Wiley, Volume: 39, Number: 8, Pages: 947-969. 

Grant Funding

Recovery of Louisiana’s Iconic Shellfish: Diagnosis and Evaluation of White Spot Syndrome Virus Disease in Crawfish, Louisiana Sea Grant, $190,000.

Investigating the Epidemiology of Edwardsiella piscicida septicemia in hybrid catfish and other commercially important fish species in the southern US. $358,232. (October 2018-2021). (LSU portion $8,500).

Increasing the understanding of and developing management strategies for Edwardsiella ictaluri in ornamental fish.," Sponsored by USDA/NIFA/SRAC, Federal, $250,000.00. (October 1, 2018 - 2021).

Antimicrobial susceptibility testing of bacteria isolated from aquatic animals to generate epidemiological breakpoints. USFDA, CVM Office of Research, $8,000.00

Utility of wild type and mutant strains of Edwardsiella ictaluri from zebrafish as live attenuated vaccines in channel catfish Ictalurus punctatus, USDA 1433, $7,000.00

Comparative pathogenesis of ureG and esrC mutants of Edwardsiella ictaluri and their utility as live attenuated vaccines in laboratory and pond reared zebrafish Danio rerio, USDA 1433, $7,000.00