College of Veterinary Medicine

Education:

BS Biology/Chemistry, Ashland University, Ashland, Ohio, 1971
DVM The Ohio State University College of Veterinary Medicine 1975
MSc The Ohio State University College of Veterinary Medicine 1981

Honors and Awards:

Distinguished Extension Service Award, 1988
UF/IFAS Superior Accomplishment Award, 2001
USDA-CSREES Certificate of Appreciation (Master Hoof Care Program), 2003
USDA Secretary of Agriculture’s Group Honor Award for Superior Service and
Outstanding Innovation in Animal Health for establishment of the Master
Hoof Care Program, 2003
The Ohio State University College of Veterinary Medicine
Distinguished Alumnus Award, 2006
American Association of Bovine Practitioners
AABP Award of Excellence

Research Interests:

Reseach interests include management of lameness and foot care of cattle, issues related to animal welfare of livestock and the influence of housing and environment on animal production.

Selected Publications:

For Publications Extracted From Medline Click HERE

Hernandez JA, Garbarino EJ, Shearer JK, Risco CA, Thatcher WW. Evaluation of the efficacy of prophylactic hoof health examination and trimming during midlactation in reducing the incidence of lameness during late lactation in dairy cows.
J Am Vet Med Assoc. 2007 Jan 1;230(1):89-93. PMID: 17199498 [PubMed - indexed for MEDLINE]

van Amstel SR, Shearer JK. Review of Pododermatitis circumscripta (ulceration of the sole) in dairy cows. J Vet Intern Med. 2006 Jul-Aug;20(4):805-11. Review. PMID: 16955800 [PubMed - indexed for MEDLINE]

Hernandez JA, Garbarino EJ, Shearer JK, Risco CA, Thatcher WW. Comparison of milk yield in dairy cows with different degrees of lameness. J Am Vet Med Assoc. 2005 Oct 15;227(8):1292-6. PMID: 16266019 [PubMed - indexed for MEDLINE]

Hernandez JA, Garbarino EJ, Shearer JK, Risco CA, Thatcher WW. Comparison of the calving-to-conception interval in dairy cows with different degrees of lameness during the prebreeding postpartum period. J Am Vet Med Assoc. 2005 Oct 15;227(8):1284-91. PMID: 16266018 [PubMed - indexed for MEDLINE]

van Amstel SR, Palin FL, Rorhbach BW, Shearer JK. Ultrasound measurement of sole horn thickness in trimmed claws of dairy cows. J Am Vet Med Assoc. 2003 Aug 15;223(4):492-4. PMID: 12930088 [PubMed - indexed for MEDLINE]

Hernandez J, Shearer JK, Webb DW. Effect of lameness on milk yield in dairy cows.
J Am Vet Med Assoc. 2002 Mar 1;220(5):640-4. PMID: 12418524 [PubMed - indexed for MEDLINE]