2005

Cover image of the 38th Conference Proceedings: A cow nuzzles her newborn calf in a stall with straw bedding. Both are content. Yellow background.

Proceedings of the Thirty-Eighth Annual Conference. American Association of Bovine Practitioners. September 24-26, 2005. Salt Lake City, Utah.

Editor: Robert A. Smith
Executive Vice President: James A. Jarrett
Advertising Representative: J. T. O'Brien & Assoc.
Publisher: Frontier Printers, Inc.

Published: 2005-09-24

Front / Back Matter

General Sessions

Transmission of Mycoplasma bovis and the Syndromes that Result in Beef and Dairy Cattle

Ricardo F. Rosenbusch

1-5
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Treatment of Mycoplasma Infections: Susceptibility of Field Isolates and Outcome of Treatment Recovered Cattle: Risk or Bonus?

Roger D. Ayling, Robin A. J. Nicholas

6-10
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Practitioners Experience with Mycoplasma bovis Outbreaks Dairy Calves

Jan C. Gawthrop

11
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Mycoplasma in Beef Cattle in Ontario

Peter Kotzeff

12
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Practitioners Experience with Mycoplasma bovis Outbreaks Dairy Cows

Fred J. Muller

14
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Present and Future Control of Cryptosporidiosis in Cattle

Daryl Nydam, Andrew S. Peregrine

15-18
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Mannan-oligosaccharides and other Non-antibiotic Alternatives to the Management of Enteric Disease of Cattle

J. D. Quigley

19-24
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Siderophore Receptor and Porin Protein Technology for Control of Salmonella and Escherichia coli 0157:H7 in Cattle

E. T. Stevens, D. U. Thomson

25-29
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AVMA-Pfizer Business Practices Study

Fred D. Lehmen, Roger L. Saltman

30-33
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Beef Sessions

Update on Veterinary Breeding Soundness Evaluation of Bulls

Dwight F. Wolfe

34-39
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Lameness in Cattle Rules of Thumb

David C. Van Metre, John R. Wenz, Franklyn B. Garry

40-43
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Effects of Preconditioning on Health, Performance and Prices of Weaned Calves

David Lalman, Clement E. Ward

44-50
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Impact of Antimicrobial Use in Animals and Regulatory Response

Linda Tollefson

52-56
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Choosing a New Vaccine A Solution or a Potential Problem

Robert Tremblay

58-62
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Feedlot Sessions

Mycoplasma bovis Unique Features, Pathogenesis and Lesions Update

Ted Clark

63-66
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Histophilus somni Unique Features, Pathogenesis and Lesions Update

Ted Clark

68-71
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Dairy Sessions

Labor Management Organizing for Profit

Ben Shelton

72-73
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Implementing New Procedures on My Own Dairy

Donald E. Niles

77-78
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Managing the Organic Dairy

Robert C. Fry

79-88
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Strategies for Shortening the Dry Period

Ric R. Grummer, Robin R. Rastani

89-94
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Milking Cows Four and Six Times per Day (4X-6X) and its Impact on Animal Performance

Geoffrey E. Dahl

95-98
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Applications of Biotechnology in Today's Dairy Industry

S. P. Oliver

99-111
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AABP & AASRP Sessions

Incorporating Veterinary Care into the Sheep Production Cycle

David C. Van Metre

112-115
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Questions for the Camelid Consultant

LaRue W. Johnson

116-119
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Routine Camelid Procedures

LaRue W. Johnson

120-122
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Diagnosis, Treatment, and Prevention of Common Small Ruminant Parasites

Mary C. Smith

123-127
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Recognizing Common Infectious Diseases of Small Ruminants

Mary C. Smith

128-132
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Veterinary Technician Session

Herd-based Testing for the Preventive Medicine Practice

Garrett R. Oetzel

133-138
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Herd-based Testing for Infectious Diseases

Jerry D. Olson

139-145
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Herd-based Testing for Young Stock

Sheila M. McGuirk

146-148
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Parasite Management Programs for Small Ruminants

Mary C. Smith, Dwight D. Bowman, Marguerite K. Frongillo

149-153
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Research Summaries 1

Preliminary Report on the Incidence of Laboratory-confirmed Clinical Salmonellosis in Northeast USA Dairy Herds

C. J. Cripps, L. D. Warnick, D. V. Nydam, P. L. McDonough, Y. T. Grohn, K. E. Reed

154
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Signs and Prognosis of Male Cattle with Urethral Occlusion

S. Gronau, G. Rademacher, W. Klee

155
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Uterine Torsion in Cattle 55 Field Cases

P. Aubry, L. DesCôteaux

156
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Multiattribute Evaluation of Two Simple Tests for the Detection of Cryptosporidium parvum Oocysts in Calf Feces

Lise A. Trotz-Williams, S. Wayne Martin, Donald Martin, Todd Duffield, Kenneth E. Leslie, Daryl V. Nydam, E. Sockovie, Andrew S. Peregrine

157
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Effect of Pasteurization Temperature on Immunoglobulin G, Viscosity and Pathogen Viability in Bovine Colostrum

S. McMartin, S. Godden, J. Feirtag, L. Metzger, R. Bey, S. Goyal

158
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Effects of Growth Hormone Releasing Hormone Delivered by Plasmid Injection and Electroporation on the Immune Function and Body Condition Scores in Holstein Heifers

Patricia A. Brown, William C. Davis, Ruxandra Draghia-Akli

159
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The Effect of Feeding Medicated or Non-medicated Milk Replacer on Growth, Morbidity and Mortality of Holstein Heifer Calves

J. J. Averill, R. J. Erskine, P. C. Bartlett

160
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Diaphyseal Femoral Fractures in Cattle 24 Cases

S. Nichols, D. E. Anderson, B. L. Hull, M. Miesner

161-162
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Calf Respiratory Disease and Pen Microenvironments in Naturally Ventilated Calf Barns in Winter

A. Lago, T. B. Bennett, S. M. McGuirk, N. B. Cook, K. V. Nordlund

162-163
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Fecal Shedding of Mycobacterium avium subsp paratuberculosis in Calves Implications for Disease Control and Management

Michael W. Bolton, Daniel L. Grooms, John B. Kaneene

163
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Clinical and Subclinical Diseases Predisposing to Johne's Disease in Dairy Cattle

Eran A. Raizman, Scott J. Wells, Sandra M. Godden

164
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A Deterministic Mathematical Model of Mycobacterium avium subsp paratuberculosis (MAP) Transmission on Commercial US Dairy Farms

R. M. Mitchell, S. M. Stehman, R. H. Whitlock, A. Benedictus, Y. H. Schukken

165
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Using ELISA Adjusted Optical Density (OD) Measures to Predict Mycobacterium avium paratuberculosis Shedding Status of Individual Dairy Cattle

Roxanne Pillars, John B. Kaneene, Daniel Grooms

166
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Efficacy of Monensin Sodium for the Reduction of Fecal Shedding of Mycobacterium avium subsp paratuberculosis in Infected Dairy Cattle

S. H. Hendrick, D. F. Kelton, K. E. Leslie, K. D. Lissemore, M. Archambault, R. Bagg, P. Dick, T. F. Duffield

167
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Research Summaries 2

Evaluation of the Use of Cephapirin Sodium Intramammary Therapy in the Closeup Dry Period to Reduce Subclinical Mastitis in Adult Dairy Cattle

D. Cole, W. Graves, R. Smith, Doug Ensley, J. Fain, J. Rosenberg

168-169
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Association between Local (Udder) Clinical Signs and Important Outcomes of Clinical Mastitis Episodes in Dairy Cattle

J. R. Wenz, R. Elia, K. Whitman, F. B. Garry

169
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Efficacy of Intramammary Pirlimycin as a Pre-calving Antibiotic Treatment for Nulliparous Heifers

J. -P. Roy, D. Du Tremblay, L. DesCôteaux, S. Messier, É. Bouchard

170
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Evaluation of the Petrifilm™ Culture System for the Identification of Mastitis Bacteria as Compared to Standard Bacteriological Methods

Matthew Walker, Ken Leslie, Erin Vernooy, Anna Bashiri, Randy Dingwell

171-172
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Relationship Between Antibiotic Susceptibility of Mastitis Pathogens and Treatment Outcomes

Fernanda G. H. Hoe, Pamela L. Ruegg

173
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Cumulative Cure Rates for the Major Pathogens Causing Mastitis

A. Lago, J. Gaska, N. B. Cook

174
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Effect of Prepartum Intramammary Treatment of Heifers on Somatic Cell Count, Milk Production and Mastitis Postpartum

K. K. McCarthy, R. A. Kreft, P. M. Sears

175-176
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Effect of Pre-milking Stimulation on Milking Performance

D. V. Nydam, M. B. Capel, M. J. Thomas, K. Conlon, M. Kinsley, C. Lemay, R. Weix, L. D. Warnick, Y. H. Schukken

176
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Herd and Spatial Factors Affecting the Proportion of False-Positive Results on the Caudal Fold Tuberculin Test in Michigan Cattle

B. Norby, P. C. Bartlett, J. B. Kaneene, D. L. Grooms, L. M. Granger

177-178
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Serum Mineral Concentrations and Risk of Periparturient Disease

R. J. Van Saun, Amy Todd, G. A. Varga

178-179
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Use and Interpretation of Pooled Metabolic Profiles for Evaluating Transition Cow Health Status

Robert J. Van Saun

180
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Effect of Management Systems on Growth Performance of Buffalo (Bubalus bubalis) Calves in Winter Season

R. P. Poudel, H. K. Gulati, R. S. Yadav

181-182
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Use of Bulk Tank Milk to Determine the Herd-level Prevalence of N. caninum in Dairy Herds on Prince Edward Island

W. Wapenaar, H. W. Barkema, C. J. M. Bartels, C. van Maanen

182-183
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Comparison of the Ovsynch Protocol and Exogenous Progesterone with Insemination at an Induced Estrus as Therapeutic Strategies for Ovarian Cysts in Lactating Dairy Cows

M. B. Crane, P. Melendez, C. A. Risco, A. De Vries, L. F. Archbald

183-184
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Research Summaries 3

Comparison of Bacteria Populations within Clean and Recycled Sand used for Bedding in Dairy Facilities

M. A. Kristula, W. Rogers, J. S. Hogan, M. Sabo

185-186
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The Relationship between Locomotion Scores and Lameness Lesions in Dairy Cattle

Gerard Cramer, Kerry Lissemore, Dave Kelton, Chuck Guard, Ken Leslie, Janyk Laferriere

186-187
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Herd Level Risk Factors for Non-infectious and Infectious causes of Lameness for Ontario Dairy Herds

Gerard Cramer, Kerry Lissemore, Dave Kelton, Chuck Guard, Ken Leslie

187
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Effect of Rubber Flooring on the Development of Claw Lesions in Lactating Dairy Cows Housed in Free Stall Barns

J. Vanegas, M. W. Overton, W. M. Sischo, S. L. Berry

188
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Production Effects of Mycobacterium avium subspecies paratuberculosis Infection Based on Diagnostic Test Results

J. E. Lombard, B. A Wagner, B. J. McCluskey, F. B. Garry

189
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Evaluation of Environmental Sampling to Determine Distribution and Dairy Herd Infection Status for Mycobacterium avium subspecies paratuberculosis

J. E. Lombard, R. L. Smith, B. A. Wagner, B. J. McCluskey

190
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Johne's Disease the Effect of Feeding Monensin to Reduce the Bioburden of Mycobacterium avium subspecies paratuberculosis in Neonatal Calves

R. H. Whitlock, R. W. Sweeney, T. Fyock, S. McAdams, I. A. Gardner, D. G. McClary

191-192
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MAP Super-shedders Another Factor in the Control of Johne's Disease

R. H. Whitlock, R. W. Sweeney, T. Fyock

193-194
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Uterine Bacterial Isolates and Reproductive Performance in Lactating Holstein Cows with Uterine Health Disorders, Large Calves and Fever

Doug Hammon, Heidi Johnson, Cory Wareham, Rusty Stott

194-195
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Effect of Different Prostaglandin Treatment Protocols on Luteolysis and Ovulation in Dairy Cows

O. Szenci, A. Répási, J. Sulon, J. Reiczigel, J. F. Beckers

195-197
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Effect of Parturition Induction of Term Pregnancies on Calf Survival, Production and Reproduction in Holstein Dairy Cows

A. Villarroel, V. M. Lane

197-198
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Prevalence, Risk Factors and Treatment of Postpartum Anestrus in Dairy Cattle

R. B. Walsh, J. S. Walton, K. E. Leslie, S. J. LeBlanc

199-200
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Research Summaries 4

Investigation of Bovine Respiratory Disease Pathogens using Immunohistochemistry Testing on Selected Samples

C. W. Booker, E. D. Janzen, T. G. Clark, D. Haines, M. Phil, P. T. Guichon, G. K. Jim, O. C. Schunicht, B. K. Wildman, T. J. Pittman, R. K. Felton, T. Perrett, P. S. Morley

201-202
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Effects of NPCoat Intranasal™ on Health and Productivity of Beef Cattle

David Nash, Mary Wray, Scott MacGregor, Dallas Horton

202-203
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Risk Analysis for Beef Cow-Calf Retained Ownership Decision Making Utilization of Historical Performance Data

B. J. White, J. D. Anderson

203-204
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Fetal Protection Against a Type 2 Bovine Viral Diarrhea Virus (BVDV) Challenge in Cattle Vaccinated with a Type I Modified Live BVDV Vaccine

K. V. Brock, K. McCarty, R. Hartland

205
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Bovine Viral Diarrhea Viruses (BVDV) in the Feedlot Prevalence of Persistent Infections, Utilization of Diagnostic Tests, and Distribution of BVDV Subtypes 1a, 1b, 2a

R. W. Fulton, B. Hessman, B. J. Johnson, J. F. Ridpath, J. T. Saliki, L. J. Burge, A. W. Confer, M. E. Payton

206-207
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Characterization of Bovine Viral Diarrhea Virus (BVDV) Genetics, Antibody Response and Viremia from a Group of BVDV Persistently Infected Calves

C. C. L. Chase, L. J. Braun, L. Holler, J. Neill, J. Ridpath

207-208
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Effect of Two Commercially Available Multivalent Modified-Live Viral Vaccines on Milk Production of Holstein Dairy Cows

E. F. Garrett

208-209
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Moraxella bovis and Branhamella ovis and the Occurrence of Pinkeye in Beef Calves

A. M. O'Connor, J. Kinyon, A. E. Whipple, J. Reecy

210
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Effect of Housing System and Nutrition on Claw Hom Growth and Abrasion in Beef Steers

O. Becvar, W. S. Swecker, Jr., D. L. Ward, G. Scaglia, J. P. S. Neel, J. P. Fontenot

211
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Seroprevalence of Johnes Disease, Neospora caninum and Bovine Leukosis Virus in Canadian Cow-Calf Herds

J. R. Campbell, C. Power, R. Hood, N. Olaloku, R. Mainar-Jaime, C. Waldner

212
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Factors Associated with ELISA Sample/Positive Ratio Scores for Paratuberculosis in an Angus-Brahman Multibreed Herd of Beef Cattle

M. A. Elzo, D. O. Rae, S. Lanhart, J. Wasdin, P. Dixon, J. Jones

213
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An Estimate of the Proportion of Beef Cattle Herds with Mycobacterium avium subspecies paratuberculosis-Infected Cattle and Associated Risk Factors

David R. Smith, Thomas J. Schomer, Susanne Hinkley, Sharon Clowser, Judith A. Galeota, James C. Weiss, Kathleen J. Akin

214
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French Translations

Research Summaries - French Translations

Louise Vinet, Guy Beauchamp, Hubert Brochard, Pierre-Paul Smith; American Association of Bovine Practitioners

215-282
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Posters

Comparison of Three Therapeutic Methods of Cystic Ovaries in Holstein Cows

M. Bolourichi, A. Akbarshahi, A. Niasari-Naslaji, P. Hovareshti, P. Tajik

283
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Effect of Free Stall Pen Design on Feeding Behavior

R. L. Mentink, K. V. Nordlund, T. B. Bennett, N. B. Cook

284
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The Potential to Alleviate Negative Energy Balance in Holstein Dairy Cows by Modulating Milk Glucose, Plasma Glucose, and Plasma Insulin through Feeding Yeast Culture and Propionibacteria

K. V. Lehloenya, T. G. Rehberger, K. M. Mertz, D. T. Allen, D. A. Jones, L. J. Spicer

285
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Performance of Dairy Calves Raised Indoors vs. Outdoors in the Milk-feeding Period in One Commercial Danish Dairy Farm

R. Engelbrecht Pedersen, M. Trinderum, I. Dalgaard

286
- PDF
Effect of Removal of Follicular Cyst Content on Success of Ovsynch in Dairy Cows A Clinical Trial in Private Practice

V. Caldwell, R. Martineau

287
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Outbreaks of Severe Acute BVDV in Quebec, Ontario and New York State, Occurring Between 1993 and 1995, Linked to the Same Strain of Type 2 BVDV

Julia F. Ridpath, John D. Neill

288-289
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Effect of Cow Comfort on Herd Health and Milk Production on a Large Commercial Dairy

R. M. Stockler, L. M. Neuder, P. M. Sears

289-290
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Reproducible Challenge Model for BVDV Vaccine Efficacy Studies

J. Ridpath, J. Neill, V. Becerra, K. Eernisse, D. Gatewood

290-291
- PDF
Risk Factors Associated with Neospora caninum Herd Serological Status in Beef Cow-Calf Herds in Canada

N. Olaloku, C. Power, R. Hood, R. Mainar-Jaime, J. Campbell

291-292
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Comparing the Use of Systemic Antibiotics with Intramammary Antibiotics in Dry Cow Therapy

N. J. O'Boyle, W. M. Guterbock, P. M. Sears

292-293
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Summer Externship Program in Food Animal Medicine, Food Safety and Veterinary Public Health (FAME)

D. V. Nydam, K. Edmondson, Y. H. Schukken, Lorin Warnick

293-294
- PDF
Relationship Between Pre-fresh NEFAs, Fresh Butterfat Percentage, Progesterone Levels Following Pre-Synch and Pregnancy Rates

K. K. McCarthy, L. M. Neuder, N. Joshi

294-295
- PDF
Owner-reported Incidence of Clinical Salmonellosis in Northeastern Dairy Herds

B. V. Rosa, L. D. Warnick, C. J. Cripps, D. V. Nydam, K. E. Reed

296
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The Effect of Metaphylactic Intramammary Infusion of 200 mg Cephapirin Sodium per Quarter in Dairy Cattle at 2-3 Weeks Prepartum on Selected Postpartum Production Parameters

P. Rapnicki, S. C. Stewart, R. J. Farnsworth, R. F. Bey, J. B. Rosenberg

296-297
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Development of a New Diagnostic Test for the Detection of Passively Acquired Immunoglobulin G 1 (IgG 1) in Newborn Calves Using Immunostick ELISA Technology

D. P. Mackie, E. F. Logan

297-298
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