Dale D. Hancock DVM, MS, PhD
Professor
Field Disease Investigation
Unit
hancock@vetmed.wsu.edu
Education
- Ambulatory Resident, College of Veterinary Medicine, The
Ohio State University, 1975-76.
- Associate General Practitioner, Scott Veterinary
Hospital, Stephenville Texas, 1976-78.
- Graduate Research Associate, Ohio Agricultural Research
and Development Center, Department of Veterinary Science,
1978-83.
- Assistant Professor, College of Veterinary Medicine,
Mississippi State University, 1983-84.
- Assistant Professor, Department of Veterinary Clinical
Medicine and Surgery, College of Veterinary Medicine,
1984-1990.
- Visiting epidemiologist for the National Animal Health
Monitoring System in Ft. Collins, CO (under
USDA-APHIS-Veterinary Services), Sept., 1992- March, 1993.
- Associate Professor, Department of Veterinary Clinical
Medicine and Surgery, College of Veterinary Medicine,
1990-present.
- Professor, Department of Veterinary Clinical Medicine
and Surgery, College of Veterinary Medicine, 1998-present.
Research Interests
Disease outbreak investigation
Publications
Hancock-D-D. Rice-D-H. Herriott-D-E. Besser-T-E. Ebel-E-D. Carpenter-L-V.
Effects of farm manure handling practices on Escherichia coli O157
prevalence in cattle JOURNAL OF FOOD PROTECTION 60:.363- 366, 1997.
Hancock, D.D., T.E. Besser, D.H. Rice, D.E. Herriott, and P.I. Tarr.
1996. Longitudinal Study of Escherichia coli O157 in fourteen
cattle herds. Epidemiol. Infect. 118:193-5, 1997.
Hancock-D-D. Rice-D-H. Thomas-L-A. Dargatz-D-A. Besser-T-E.: Epidemiology
of Escherichia coli O157 in feedlot cattle. JOURNAL OF FOOD
PROTECTION. 60:462- 465, 1997.
Dargatz-D-A. Wells-S-J. Thomas-L-A. Hancock-D-D. Garber-L-P.: Factors
associated with the presence of Escherichia coli O157 in feces of
feedlot cattle. JOURNAL OF FOOD PROTECTION. 60:466- 470, 1997
Besser-T-E. Gay-C-C. Gay-J-M. Hancock-D-D. Rice-D, Pritchett-L-C.
Erickson-E-D.: Salmonellosis associated with S typhimurium DT104 in
the USA [letter].Vet-Rec. 140:75, 1997.
Keene-W-E. Sazie-E. Kok-J. Rice-D-H. Hancock-D-D. Balan-V-K. Zhao-T.
Doyle-M-P. An outbreak of Escherichia coli O157:H7 infections
traced to jerky made from deer meat. JAMA. 277:1229-31, 1997.
Besser-T-E. Hancock-D-D. Pritchett-L-C. McRae-E-M. Rice-D-H. Tarr-P-I:
Duration of detection of fecal excretion of Escherichia coli
O157:H7 in cattle. J-Infect-Dis 175:726-9, 1997.
Hancock-D-D., Lynn-T-V., Besser-T-E., Wikse-S-E., Feasibility of
preharvest food safety control. Compendium on Continuing Ed. Prac. Vet.
19:S200-&, 1997.
Keene WE, Hedberg K, Herriott DE, Hancock DD, McKay RW, Barrett TJ,
Fleming DW: A prolonged outbreak of Escherichia coli O157:H7
infections caused by commercially distributed raw milk. J Infect Dis.
176:815-818, 1997.
Rice DH, Hancock DD, Besser TE: Virulence assessment of bovine isolates
of Salmonella dublin. Veterinary Microbiology 56: MAY 1997, p.111-124.
Rice, DH, ED Ebel, DD Hancock, TE Besser, DE Herriot, and LV Carpenter.
1997. Escherichia coli O157 in cull dairy cows on farm and at slaughter.
Journal of Food Protection. 60:1-2.
Besser TE, Hancock DD, LeJeune JT, Park J-H. Environmental reservoirs of
Escherichia coli O157:H7 on cattle farms. Korean J. Veterinary Public Health
21(2)165-73, 1997.
Besser TE, Rice DH, Hancock DD, Richards B: Colonization of calves with
Escherichia coli O157:H7: Infectious dose and direct contact transmission
(submitted). App Env Microbiol,
Tarr PI, Besser TE, Hancock DD, Keene WE, Goldoft M. Verotoxigenic
Escherichia coli infection: United States overview. J Food Protection.
60:1466-1471, 1997.
Lynn-T-V. Hancock-D-D. Besser-T-E. Harrison-J-H. Rice-D-H. Stewart-N-T.
Rowan-L-L. The occurrence and replication of Escherichia coli in cattle
feeds. J Dairy Sci 81:1102-1108, 1998.
Krytenburg D, Hancock DD, Rice DH, Besser TE, Gay CC. Gay JM. Salmonella
enterica in cattle feeds from the Pacific Northwest. Animal Feed Sci and
Tech. 75:75-79, 1998.
Hancock, DD, TE Besser, DH Rice, ED Ebel, DE Herriot, and LV Carpenter.
Mulltiple sources of Escherichia coli O157 in feedlots and dairy farms in
the Pacific Northwest. Prev. Vet. Med. 35:11-19, 1998.
Rice, DH, KM McMenamin, LC Pritchett, DD Hancock, and TE Besser. 1997.
Genetic diversity of Escherichia coli O157 isolates from 41 Pacific
Northwest cattle herds. Submitted to J. Clinical Microbiology, Aug. 1997.
Herriott DE, DD Hancock, ED Ebel, LV Carpenter , DH Rice, and TE Besser.
Association of herd management factors with colonization of dairy cattle by
Shiga toxin-positive Escherichia coli O157. J. Food Protect Vol. 61, no. 7,
JUL 1998, p.802- 807.
Sanderson MW, Besser TE, Gay JM, Gay CC, Hancock DD. 1999. Fecal
Escherichia coli O157:H7 shedding patterns of orally inoculated calves. Vet
Microbiol 1999 Sep 15;69(3):199-205
Besser, T. E., M. Goldoft, L. C. Pritchett, R. Khakhria, D. D. Hancock,
D. H. Rice, J. M. Gay, W. Johnson, and C. C. Gay. 2000. Multiresistant
Salmonella Typhimurium DT104 infections of humans and domestic animals in
the Pacific Northwest of the United States. Epidemiol. Infect. (in press)