Search for Faculty

Photo: Sharif Aly

Sharif Aly- BVSc, MPVM, PhD
Associate Professor
Population Health & Reproduction


saly@ucdavis.edu

   

Research Focus

Dairy cattle health and welfare

  • calf health (diarrhea, respiratory disease)
  • adult cattle health (mastitis, Johnes Disease)
  • Shiga-toxin producing E. coli shedding in dairy cattle
  • Humane euthanasia of cattle

Specialty Focus

Epidemiology

  • Observational studies of infectious diseases and health conditions of food animals.
  • Experimental studies that conform to standard reporting guidelines (REFLECT statement).
  • Mathematical modeling of infectious diseases of food animals
  • Diagnostic test evaluation


Biostatistics

  • Mixed models
  • Survey sampling
  • Reliability and repeatability gauge studies
  • Intraclass correlation coefficient

Education

2009 PhD Epidemiology, University of California, Davis, CA
2003 MPVM Master of Preventive Veterinary Medicine, University of California, School of Veterinary Medicine, Davis, CA
2004 Residency Food Animal Reproduction and Herd Health, University of California, School of Veterinary Medicine, Davis, CA
2001 Internship Food Animal Production Medicine Internship, University of Idaho, Caine Veterinary Teaching Center
1998 BVSc Veterinary Medicine, University of Cairo, Egypt
1993 GCE General Certificate of Education, Advanced level, University of London,
1993 IGCSE International General Certificate of Secondary Education, University of Cambridge,

Honors and Awards

2013 Academic Senate Research Travel Grant
2008 Austin Eugene Lyon’s Fellow, Graduate Studies, University of California, Davis
2008 Graduate Student Support Program (GSSP), School of Veterinary Medicine, UC Davis
2006 Block Grant Award, Graduate Group in Epidemiology, UC Davis
2006 Graduate Student Support Program (GSSP), School of Veterinary Medicine, UC Davis
2005 Block Grant Award, Graduate Group in Epidemiology, UC Davis
2005 Travel Award, International Association of Paratuberculosis
2005 George Stabenfeldt Travel Award, MPVM research presented at International Colloquium of Paratuberculosis, Denmark, August
2003-2004 House officers Grant, Veterinary Medical Teaching Hospital, UC Davis
2003 Jastro Shields Graduate Research Scholarship Award, MPVM, UC Davis

Licenses

Veterinary Syndicate, Egypt

Active Research Grants

Co-Principal Investigator, Integrated program for reducing bovine respiratory disease in beef and dairy cattle, Terry Lehenbauer (Principal Investigator), USDA, AFRI, NIFA

Principal Investigator, Risk assessment, welfare analysis, and extension education for dairy calf respiratory disease management in California, (Principal Investigator), UC Davis: Agriculture and Natural Resources Competitive Grant Program

Principal Investigator, Effect of environment on risk of respiratory disease in nursing calves, (Principal Investigator), American Association of Bovine Practitioners

Principal Investigator, Shiga-toxigenic Escherichia coli (STEC) in the beef chain: assessing and mitigating by translational science, education and outreach, (Principal Investigator), USDA

Co-Principal Investigator, Rapid methods for microbial detection and quality assessment of milk, Maria Marco (Principal Investigator), California Dairy Research Foundation

Principal Investigator, Does Colostral Nutrient Composition affect Apparent Absorption Efficiency of IgG in Newborn Calves?, (Principal Investigator), Center of Food Animal Health, School of Veterinary Medicine, UC Davis

Principal Investigator, Factors Affecting Dairy Cattle’s Protective Grouping Behavior, Commonly Known as Bunching, in Response to Stomoxys Calcitrans on California Dairies, (Principal Investigator), Center of Food Animal Health, School of Veterinary Medicine, UC Davis

Co-Principal Investigator, Antimicrobial Resistance in Salmonella spp. from cull dairy cattle in California, Richard Pereira (Principal Investigator), Center for Food Animal Health, School of Veterinary Medicine, University of California, Davis

Co-Principal Investigator, Non-saleable milk from dairy farms in Central California: multiresidue screening and epidemiological evaluation of factors influencing their occurrence, Richard Pereira (Principal Investigator), Center for Food Animal Health, School of Veterinary Medicine, University of California, Davis

Co-Principal Investigator, Development of a rapid method for Mycoplasma detection in milk, Terry Lehenbauer (Principal Investigator), Center for Food Animal Health, School of Veterinary Medicine, UC Davis

Principal Investigator, A selective dry-cow therapy decision tree to aid the dairy industry in reducing antibiotic use at dry-off, (Principal Investigator), UC Division of Agriculture and Natural Resources

Co-Principal Investigator, Evaluation of the effects of oral colostral IgG supplementation in neonatal dairy calves with diarrhea, Munashe Chigerwe (Principal Investigator), Center for Food Animal Health, School of Veterinary Medicine, UC Davis

Co-Principal Investigator, A randomized, complete block clinical trial to evaluate the effect of bovine granulocyte stimulating factor (Imrestor™) on periparturient mastitis, early lactation health, milk production and reproductive outcomes in lactating dairy cattle, Terry Lehenbauer (Principal Investigator), Elanco Animal Health

Principal Investigator, Diagnosis of respiratory disease in weaned dairy cattle using a scoring system based on remote clinical observations, (Principal Investigator), Center of Food Animal Health, School of Veterinary Medicine, UC Davis

Principal Investigator, Diagnosis of respiratory disease in weaned dairy cattle using a scoring system based on remote clinical observations, (Principal Investigator), Center of Food Animal Health, School of Veterinary Medicine, UC Davis

Most Recent 10 Publications

  • Sharif Aly: Investigation of Anaplasma marginale Seroprevalence in a Traditionally Managed Large California Beef Herd. 2016 Tucker TR 3rd, Aly SS, Maas J, Davy JS, Foley JE Investigation of Anaplasma marginale Seroprevalence in a Traditionally Managed Large California Beef Herd. Vet Med Int.,
  • Sharif Aly: Epidemiology of Salmonella sp. in California cull dairy cattle: prevalence of fecal shedding and diagnostic accuracy of pooled enriched broth culture of fecal samples. 2016 Abu Aboud OA, Adaska JM, Williams DR, Rossitto PV, Champagne JD, Lehenbauer TW, Atwill R, Li X, Aly SS Epidemiology of Salmonella sp. in California cull dairy cattle: prevalence of fecal shedding and diagnostic accuracy of pooled enriched broth culture of fecal samples. Peerj,
  • Sharif Aly: Prevalence and level of enterohemorrhagic Escherichia coli in culled dairy cows at harvest 2016 Stromberg ZR, Lewis GL, Aly SS, Lehenbauer TW, Bosilevac JM, Cernicchiaro N, Moxley RA Prevalence and level of enterohemorrhagic Escherichia coli in culled dairy cows at harvest J Food Prot,
  • Sharif Aly: Sensitivity and specificity of on-farm scoring systems and nasal culture to detect bovine respiratory disease complex in preweaned dairy calves 2016 Love WJ, Lehenbauer TW, Van Eenennaam AL, Drake CM, Kass PH, Farver TB, Aly SS Sensitivity and specificity of on-farm scoring systems and nasal culture to detect bovine respiratory disease complex in preweaned dairy calves J Vet Diagn Invest,
  • Sharif Aly: Survey of management practices related to bovine respiratory
disease in preweaned calves on California dairies 2016 Love WJ, Lehenbauer TW, Karle BM, Hulbert LE, Anderson RJ, Van Eenennaam A, Farver TB, Aly SS Survey of management practices related to bovine respiratory disease in preweaned calves on California dairies J Dairy Sci,
  • Sharif Aly: Determination of neonatal serum immunoglobulin G concentrations associated with mortality during the first 4 months of life in dairy heifer calves 2015 Chigerwe M, Hagey JV, Aly SS Determination of neonatal serum immunoglobulin G concentrations associated with mortality during the first 4 months of life in dairy heifer calves J Dairy Res,
  • Sharif Aly: Off-site rearing of heifers reduces the risk of Mycobacterium avium ssp. paratuberculosis ELISA seroconversion and fecal shedding in a California dairy herd 2015 Aly SS, Gardner IA, Adaska JM, Anderson RJ Off-site rearing of heifers reduces the risk of Mycobacterium avium ssp. paratuberculosis ELISA seroconversion and fecal shedding in a California dairy herd J Dairy Sci,
  • Sharif Aly: Susceptibility loci revealed for bovine respiratory disease complex in pre-weaned Holstein calves 2014 Neibergs HL, Seabury CM, Wojtowicz AJ, Wang Z, Scraggs E, Kiser J, Neupane M, Womack JE, Van Eenennaam A, Hagevoort GR, Lehenabauer TW, Aly SS, Davis J, Taylor JF and The Bovine Respiratory Disease Complex Coordinated Agricultural Project Research Team Susceptibility loci revealed for bovine respiratory disease complex in pre-weaned Holstein calves BMC Genomics,
  • Sharif Aly: Blood calcium dynamics after prophylactic treatment of
subclinical hypocalcemia with oral or intravenous calcium 2014 Blanc CD, Van der List M, Aly SS, Rossow HA, Silva-del-Río N Blood calcium dynamics after prophylactic treatment of subclinical hypocalcemia with oral or intravenous calcium J Dairy Sci,
  • Sharif Aly: Sensitivity and specificity of two enzyme-linked immunosorbent assays and a quantitative real-time polymerase chain reaction for bovine paratuberculosis testing of a large dairy herd 2014 Aly SS, Anderson RJ, Whitlock RH, Adaska JM Sensitivity and specificity of two enzyme-linked immunosorbent assays and a quantitative real-time polymerase chain reaction for bovine paratuberculosis testing of a large dairy herd Intern J Appl Res Vet Med,