2003

Cover image of the 36th Conference Proceedings: Holstein cows standing in a row at a fence. One cow has put her head through the fence and is curiously inspecting a pile of hay. Yellow background.

Proceedings of the Thirty-Sixth Annual Conference. American Association of Bovine Practitioners. September 18-20, 2003. Columbus, Ohio.

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

Published: 2003-09-18

Front / Back Matter

General Sessions

Forages, Fiber and the Rumen

Mike Allen

1-8
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Dairy Cattle Behavior Cows Interacting with Their Workplace

Neil Anderson

10-22
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Improving the Quality of Veterinary Practice Using Your Skills to do a Better Job for Your Patients and Clients

Sheila M. McGuirk

24-29
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Immunology of the Bovine Neonate

Dusty W. Nagy, Jeff W. Tyler

30-32
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Physiology and Pathophysiology of Pain

W. W. Muir

33-35
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Beef Sessions

Immunology of the "Early Weaned" Beef Calf

John A. Ellis

37-38
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Early Weaning A Management Alternative for Improving Heifer and Young Cow Productivity

John D. Arthington

39-43
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Bovine Viral Diarrhea Virus Testing Options

Barrett D. Slenning

45-51
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BVDV Impact on Feedlot Mortality and Morbidity

Guy H. Loneragan

52-54
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Beef Cowherd BVDV Management A Practitioner's Perspective

Kevan Albertson

56-60
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An Update on Feedlot AIP

Amelia R. Woolums

62-67
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Using the Veterinary Antimicrobial Decision Support (VADS) System to Evaluate Therapeutic Regimens

Mike Apley

68-72
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Veterinary Consulting Opportunities Utilizing the Beef PEP Approach

Steven E. Wikse, Patricia S. Holland

73-75
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Nutritional Management Opportunities for Veterinarians

D. B. Herd

76-78
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Improving Profitability in East Texas Beef Herds Practitioner's Perspective

Dan Posey

79-88
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Dairy Sessions

U.S. Dairy Replacement Strategy Macroeconomics, Microeconomics or Biology?

Mike Lormore, Roger Cady

90-95
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General Concepts in Transition Cow Management

Steven Stewart, Paul Rapnicki, John Fetrow, James Lewis, Sandra Godden

96-99
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Characterization of Early Embryonic Death and Prevention of Pregnancy Wastage

W. W. Thatcher, J. E. P. Santos

100-108
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Selection and Management of Natural Service Sires in Dairy Herds

Michael W. Overton, Carlos Risco, Joseph C. Dalton

109-117
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Implementing and Managing Reproduction Programs

John D. Day, Jannell Kral

120-123
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Veterinary Technician Session

Zoonotic Diseases the Human - Animal Connection

Phil Prater

125-130
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Fluid Administration to Dehydrated Calves

Sheila M. McGuirk

131-134
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Sharpening a Knife Information & Tips for a Veterinarian Whose Wife & Meat Cutting Put Him Through College

Dee Griffin

135-142
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No Loose Parts Necropsy Procedure for the Feedyard

Dee Griffin

143-146
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Field Microbiology for Feedlot Cattle

Dee Griffin, Karan Shuck

147-148
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Research Summaries - Beef

Economic Value of Beef Heifer Reproductive Tract Scoring

Mel Pence, Jerry Baker, Tim Wilson, Johnny Rossi, Rhonda Vann

149
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Prevalence and Risk Factors of Pathogenic E. coli, including 0157:H7, in Western Canadian Cow-Calf Herds

Sheryl Gow, Cheryl Waldner, Musangu Ngeleka

150
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BVD and Neospora Infection and Reproductive Performance in Beef Cows

Cheryl Waldner

150-151
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Geographical Difference in Prevalence of Escherichia coli O157 in Finished Beef Cattle

G. A. Dewell, J. R. Ransom, K. McCurdy, K. E. Belk, J. N. Sofos, G. C. Smith, M. D. Salman

151
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The Association Between Persistently Bovine Viral Diarrhea Virus-Infected Calves and Pen Levels of Morbidity and Mortality in an Iowa Feedlot

A. M. O'Connor, S. D. Sorden, M. D. Apley

152
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Efficacy of Ceftiofur Crystalline Free Acid Administered in the Posterior Aspect of the ear for Treatment of Bovine Respiratory Disease when a Retreatment Moratorium is Imposed

B. Hibbard, E. J. Robb, J. A. Meyer, W. L. Bryson, K. J. Dame, M. J. Lucas, D. T. Bechtol, E. G. Johnson, M. I. Wray

153-154
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Ceftiofur Crystalline Free Acid Sterile Suspension (CCFA-SS) in Cattle Pharmacokinetics after Injection in the Middle Third of the Ear and Importance of Injection Technique

Scott A. Brown, Fred Lehman, Merlyn J. Lucas, Joseph A. Robinson, Edward J. Robb

154-155
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Reproductive Performance Following Timed Artificial Insemination in Silage-fed Beef Cows the Effects of Synchronization Method and Postpartum Energy Intake

Jeff Wichtel, Ed Charmley, Gavin Richardson, Rob Lofstedt

155-156
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Antimicrobial Resistance of Enteric E. coli in Beef Cattle Treated with Antibiotics

Carla L. Huston, R. Hartford Bailey, Timothy F. Best, John E. Huston, Richard R. Evans

156-157
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Cryptosporidium and Giardia species Prevalence and Risk Factors in Western Canadian Cow-Calf herds. Are Cow-Calf Herds an Important Reservoir for These Parasites?

Sheryl Gow, Cheryl Waldner, Brent Wagner

157-158
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Abstracts

J. G. M. Whitehead, R. F. Smith, R. D. Murray, P. J. Cripps, T. J. Roper, B. T. Garnett, R. J. Delahay

158
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Research Summaries - Dairy I

Influences on Early Fetal Loss in Dairy Cattle

Dale A. Moore, Michael W. Overton, Marla L. Truscott, Ricardo Chebel, Robert H. BonDurant

159
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Effects of Seropositivity for Bovine Leukemia Virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum on Risk of Culling in Dairy Cattle

Ashwani Tiwari, John A. VanLeeuwen, Ian R. Dohoo, Joao P. Haddad, Henrik Stryhn, Greg P. Keefe

160
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The Importance of Teat Canal Closure and Other Risk Factors On Dry Period Intramammary Infections

R. T. Dingwell, K. E. Leslie, L. L. Timms, D. F. Kelton, Y. H. Schukken

161
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Likelihood Ratios for Multiple Levels of ELISA S/P Ratios in Dairy Herds Infected with Mycobacterium avium subsp. paratuberculosis (MAP)

Larew Naugle, W. Saville, W. Shulaw, T. Wittum, I. Brownlee, B. Love, B. Byrum

162
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Comparison of Management Practices Between Ohio Dairy Herds Involved in Johne's Disease Testing Programs Versus Herds Not Involved in a Testing Program

Larew Naugle, W. Saville, W. Shulaw, T. Wittum, B. Love, S. Dodaro, I. McPhail

162-163
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Evaluation of Dry Cow Vaccination with a Killed Viral Vaccine on Post-colostral Antibody Titers in Calves

Jason B. Osterstock, Robert J. Callan, David C. Van Metre

163-164
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Luteal Function and Conception in Lactating Cows and Some Factors Affecting Luteal Function after Insemination

A. Hommeida, T. Nakao, H. Kubota

164-165
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Impact of Two Coliform Mastitis Immunization Schedules on Immune Response, Milk Yield, Intramammary Infection and Dry Matter Feed Intake in Holstein Dairy Cattle

Christina S. Petersson, Ken E. Leslie, David F. Kelton, Bonnie A. Mallard, Tera M. Osborne, Angela M. Fairfield

165-166
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Diagnosis of Subclinical Endometritis and its Effect on Reproductive Performance

D. Raab, M. Drillich, W. Heuwieser

166-167
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J-5 Bacterin Protection Against Escherichia coli Intramammary Challenge and Association with Milk and Blood Levels of J-5- specific Antibodies

David J. Wilson, Bonnie A. Mallard, Jeanne L. Burton, Ynte H. Schukken

167-168
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Long-term Persistence of Genetic Types of Mastitis-causing Staphylococcus aureus on Three Dairy Herds

R. Lyman, C. George, W. Kloos, C. Spooner, K. Anderson

168-169
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Re-thinking Clinical Mastitis Therapy

J. L. Hess, L. M. Neuder, P. M. Sears

169-170
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Persistent Coliform Mastitis

C. E. Ackerman, C. T. Wehrman, P. A. Busman, L. M. Neuder, P. M. Sears

170-171
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Effects of Dystocia on Dam Health and Productivity

J. E. Lombard, S. Tomlinson, F. B. Garry, L. P. Garber

171
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Research Summaries - Dairy II

Monitoring Subclinical Ketosis Using Milk Strip Test and Control Chart in Dairy Herds

Luc DesCôteaux, Todd Duffield, Anne-Marie Bélanger, Émile Bouchard, Marcel Brodeur, Cécile Ferrouillet, Randal Bagg, Jean Baril

172
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Field Evaluation of a Mycoplasma bovis Bacterin in Young Dairy Calves

Fiona Maunsell, Art Donovan, Carlos Risco, Mary Brown, Jorge Hernandez, Shelly Lanhart, David Bray

173
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Evaluation of a Milk Strip Test for Detection of Subclinical Ketosis at Cow Level

Anne-Marie Bélanger, Luc DesCôteaux, Yvon Couture, Jean Baril, Randal Bagg

174
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Impact of Sealant Adherence on the Efficacy of a Dry Cow Teat Sealant in Reducing the Level of Intramammary Infection in Nonlactating Dairy Cows

G. Lim, K. Leslie, D. Kelton, J. TenHag, T. Kerbler, K. Day

175-176
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Prognosis for Survival after an Open Abomasal Surgery Following an Unsuccessful Toggle-Pin Fixation in Dairy Cows

G. A. Perkins, D. V. Nydam, S. A. Kimball, S. L. Fubini

176-177
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Risk Factors for Intramammary Infection at First Calving in Ontario Dairy Heifers

L. Bassel, D. Kelton, A. Godkin, K. Leslie, K. Lissemore

177-178
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Use of a Cow-side Antibiotic Susceptibility Test to Predict Gram Staining Characteristics of Clinical Mastitis Pathogens of Dairy Cattle

J. Wenz, R. Elia, S. Lawson, F. Garry

178-179
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Effect of Estradiol Cypionate in Postparturient Dairy Cattle at Increased Risk for Metritis

Michael W. Overton, William M. Sischo, James P. Reynolds

179-180
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Effects of Sprinkler, Shade and Fan Cooling of Preparturient Holstein cows on Post-parturient Milk Performance during Summer Heat Stress

J. Urdaz, M. Overton, D. Moore, J. E. Santos

180
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Evaluation of the Sensitivity of Three ELISA Tests for the Detection of Mycobacterium avium paratuberculosis Infection using Tissue Culture as a Gold Standard

Shawn L. B. McKenna, Greg P. Keefe, Donald C. Sockett, John A. VanLeeuwen, J. McClure, Paul Hanna, E. Spangler, Herman W. Barkema

181
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A Relative Comparison of Diagnostic Tests for Johne's Disease

S. Hendrick, T. Duffield, D. Kelton, K. Leslie, K. Lissemore, M. Archambault

182
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Research Summaries - General

Demonstration of the Efficacy of a New Leptospira interrogans serovar pomona Antigen in Combination with Campylobacter fetus - Leptospira serovars canicola, hardjo, icterohaemorrhagiae and grippotyphosa by Challenge in Young Cattle

Jennifer Conlon, Guillermo Gallo, Daniel Penka, Carole Bolin

183
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Minimum Inhibitory Concentrations for Ceftiofur and Comparator Antimicrobial Agents against Bacterial Pathogens of Veterinary Importance to Cattle from 1997 to 2001

S. A. Salmon, E. S. Portis, C. J. Lindeman

184
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Decreased Fecal Shedding of Salmonella Newport through Vaccination

Daryll Emery, Darren Straub, James Sandstrom, Larry Slinden, Doug Burkhardt

185
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Validation of a Monoclonal Antibody Capture ELISA to Detect Antibodies to Leptospira borgpetersenii serovar hardjo

O. V. Kavanagh, A. Skibinska, D. P. Mackie, J. M. Montgomery, E. F. Logan, W. A. Ellis

186
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Development of a Competitive ELISA for Detection of Leptospira borgspeterseni serovar hardjo in Vaccinated Cattle

C. M. Frizzell, J. McCarroll, D. P. Mackie, W. A. Ellis, E. Breadon, J. M. Montgomery, O. V. Kavanagh, E. F. Logan

187
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Effect on in-vitro Cell Growth of Various Rehydrant Solutions

Jaap Verschoor, Nicolai Agger

187-188
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New Paradigms for Bovine Viral Diarrhea Virus Understanding How BVDV Interacts with the Immune System

C. C. L. Chase, G. Elmowalid, L. J. Braun, J. F. Ridpath

189
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Comparison of the γ-Interferon ELISA and the Skin Test for the Detection of Sub-clinical Johne's Disease in Cattle

Suelee Robbe-Austerman, Judy Stabel, Annette O'Conner, Charles Thoen, Barb Martin

190
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Digital Expression of Isoforms of Cyclooxygenase in a Model of Bovine Laminitis

E. B. Belknap, A. Cochran, E. Schwarzkopf, J. K. Belknap

191
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French Translations

Research Summaries - French Translations

Louise Vinet, Micheline Barta, Hubert Brochard, Pierre-Paul Smith

192-239
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Posters

Preweaning Health and Performance of Minnesota Dairy Calves Fed Either Pasteurized Waste Milk or a Traditional Milk Replacer Feeding Program

Sandra Godden, Joellen Feirtag, Lorissa Green, Scott Wells, John Fetrow

240-241
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Effectiveness of an Internal Teat Seal in the Prevention of New Intramammary Infections During the Dry and Early Lactation Periods in Dairy Cows When Used with an Intramammary Antibiotic

S. Godden, P. Rapnicki, S. Stewart, J. Fetrow, A. Johnson, R. Bey, R. Farnsworth

241
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Comparison of Two Techniques for Laparoscopic Abomasopexy for Correction of Left Displaced Abomasum in Dairy Cows

K. D. Newman, D. E. Anderson

242
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High Prevalence of Subclinical and Clinical Mastitis Caused by Environmental and Minor Pathogens in a Large Dairy Herd in Iran

M. Bolourchi, R. Kasravi, P. Hovareshti, N. Farzaneh

243
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A Comparison of Cow and Bulk Tank Cultures for Streptococcus agalactiae in Two Herds in Iran

M. Bolourchi, R. Kasravi

244
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The Effect of 'Blitz' Treatment of Streptococcus agalactiae with Ceftiofur Sodium on Bulk Tank Somatic Cell Count and Test-day Milk Yield in a Dairy Herd in Iran

R. Kasravi, M. Bolourchi

245
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Variability of Water Composition and Potential Impact on Animal Performance

D. J. Tomlinson, M. T. Socha, C. K. Swenson, L. M. Schugel

246
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Development of an Esophageal Tube Feeder for use in Calves

Rikke Engelbrecht Pedersen, Jørgen S. Agerholm

247
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Demonstration of Protection Provided by a Single Dose Modified Live BRSV Vaccine against Virulent BRSV Challenge

J. Ellis, K. H. West, W. C. Ohnesorge, C. L. Rinehart

248
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Monitoring Fetal and Neonatal Well-being in the Cow Review

O. Szenci

249-250
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Epidemic of Mycoplasma Mastitis in a Colorado Dairy Herd Following Expansion from 350 to 2,500 Milking Cows

H. Hirst, F. Garry, J. Wenz

250-251
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Growth of female dairy calves fed neomycin and oxytetracycline in milk replacer

L. D. Warnick, J. Maul, M. Chan, A. Rosenbaum, K. Still, K. Reyher, C. L. Guard, M. C. Smith

251-252
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Performance of a Timed Artificial Insemination Program for First Service Followed by TAI Combined with Natural Heat Detection versus TAI with Natural Heat Detection for First Service and Subsequent Breedings in a Commercial Dairy

Michael Capel, Daryl V. Nydam, Roger Saltman

252-253
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Milking Procedures and Udder Health Management on US Dairy Operations Results from NAHMS Dairy 2002 Study

J. E. Lombard, B. J. McCluskey, L. P. Garber

253
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The Relationship between Milk Urea Nitrogen and Reproductive Performance in Dairy Cattle

Pipat Arunvipas, John VanLeeuwen, Ian Dohoo, Greg Keefe

254
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The Distribution of Mycobacterium avium Paratuberculosis in the Environment Surrounding Minnesota Dairy Farms

E. A. Raizman, S. J. Wells, D. C. Bentley, K. E. Olsen

255
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