2016

Cover image of the 49th Conference Proceedings: An image of a herd of Angus cattle grazing in a field at dusk. Yellow background.

Proceedings of the Forty-Ninth Annual Conference. American Association of Bovine Practitioners. September 15-17, 2016. Charlotte, North Carolina.

Editor: Robert A. Smith
Executive Vice President: M. Gatz Riddell, Jr.
Advertising Representative: J. T. O'Brien & Assoc.
Publisher: VM Publishing Company

Published: 2016-09-15

Front / Back Matter

General Sessions

Crossing over the mountain how to create memes that outcompete fear and misinformation

Vance Crowe

1-2
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The Veterinary Feed Directive

Michael D. Apley

3-6
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Economic principles for dairy and beef producers and their advisors to think about

Kevin C. Dhuyvetter

7-8
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Stakeholder views, including the public, on expectations for dairy cattle welfare

Marina A. G. von Keyserlingk, Daniel M. Weary

9-14
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Why is change so hard? Communication as a tool for optimizing producer adherence to veterinary recommendations

Julie A. Cary

17-20
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Antimicrobial susceptibility testing is it driving your decisions or just driving you crazy?

Brian V. Lubbers

21-25
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Leadership for the farm business

Robert A. Milligan

26-32
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Use of antimicrobials in EU are politicians and science aligned?

Declan J. O'Rourke

35-36
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Veterinary Feed Directive what do I need to know?

Gerald L. Stokka

37-40
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Beef Sessions

Economics of dry lotting beef cows

R. J. Rasby, J. M. Warner, S. E. Gardine, K. H. Jenkins, T. J. Klopfenstein

42-54
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Applied feedlot immunology

Breck D. Hunsaker

55-61
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Dairy Sessions

Prudent drug use for the dairy practitioner

Patrick J. Gorden

62-65
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Prudent drug use from the practitioner's viewpoint

Phil A. Lowe

66
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Fatty acids and fat supplements in lactating dairy cow rations

Adam L. Lock, Jonas de Souza

69-75
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New techniques TMR Audit® - a systematic approach to evaluating feeding systems to enhance production and health

W. C. Stone, T. J. Oelberg

76-80
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Updates in transition cow health and nutrition

Thomas R. Overton, Sabine Mann, Brittanny M. Leno, Daryl V. Nydam

81-85
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Current concepts in dairy cattle immunology

Brian L. Vander Ley

86-88
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Current concepts in dairy cattle vaccinology

Christopher C. L. Chase, Nicholas Arias Villegas

89-94
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AABP & AASRP Sessions

What bovine practitioners need to know about caseous lymphadenitis

Joan Dean Rowe

95-98
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Management strategies for infectious disease control in a variety of production systems

Joan Dean Rowe

99-104
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Anti-parasitic use of sericea lespedeza and copper oxide wire particles in small ruminants

Lisa H. Williamson

105-109
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Anti-parasitic benefit of nematophagous fungi and Haemonchus contortus vaccine in small ruminants

Lisa H. Williamson

110-113
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A clinician's guide to what kills adult sheep and goats, as diagnosed by necropsy

Mary C. Smith

114-119
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A clinician's guide to what kills lambs and kids, as diagnosed by necropsy

Mary C. Smith

120-123
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Student Sessions

Bovine nutrition and ration formulation basics in veterinary medicine

Kevin Hill

124-126
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Professionalism, networking and negotiating associate's value proposition to prospective employers

Charlotte Lacroix

127-133
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Posters

Effect of a ration change from a total mixed ration to pasture on production, health and rumen physiology of dairy cows

M. Schären, K. Dieho, G. Seyfang, J. Dijkstra, U. Meyer, G. Breves

183
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In vitro efficacy of anti-protozoal compounds as a novel treatment for Tritrichomonas foetus in bulls

J. H. Koziol, D. F. Wolfe, M. A. Edmondson, S. H. Duran, T. Passler, J. A. Gard

184
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Bacterial isolates and factors associated with infection and outcome in calves with septic arthritis 64 cases (2009-2014)

C. Constant, S. Nichols, G. Fecteau, M. Babkine, H. Larde, D. Francoz

185
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Short interval from calving to milking is essential for high lgG content in colostrum

M. M. Lokke, R. Engelbrecht, L. Wiking

185-186
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Development and validation of the VetMAX-Gold MAP Detection Kit

A. Burrell, I. Leyva Baca, R. Shah, D. Kephart

186-187
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Effect of Acetate Ringer's solution with or without dextrose intravenously administered to diarrheic calves

K. Tsukano, S. Kato, K. Suzuki, Y. Nishi, S. Sarashina, T. Shimamori

187-188
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Serum iron concentration in dairy cattle with acute coliform mastitis

T. Shimamori, K. Suzuki, Y. Nishi, M. Tsuchiya, T. Suzuki, A. Niehaus

188-189
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Endotoxin activities in bronchoalveolar lavage fluids from calves with mycoplasma bronchopneumonia

Y. Nishi, K. Suzuki, T. Shimamori, T. Tsukano, M. Tsuchiya, A. Niehaus

189-190
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Prevalence and characteristics of radiographically confirmed juvenile tarsal osteochondrosis in purebred Angus bulls

S. E. Emerson, M. F. Barrett, T. N. Holt, L. Bass, S. Rao

190-191
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Incidence of health events and the associations with death and culling on 3 dairies

P. Bacigalupo-Sanguesa, J. E. Lombard, C. S. McConnel, F. B. Garry, A. McNeil

191-192
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Delayed insemination optimizes conception in dairy cows with natural estrus

A. Villarroel

192
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Hoof trimmer training and safety hazards on California dairies

M. Pineda, I. Akin, N. Silva-del-Río

193
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Footbath dimensions and management on California dairies

M. Pineda, A. Espadamala, I. Adkin, N. Silva-del-Río

194
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Lameness morbidity and association of locomotion score and diagnosis with case outcome in beef cattle in Great Plains feedlots

S. P. Terrell, D. U. Thomson, C. D. Reinhardt, C. K. Larson, C. I. Vahl

195
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Are all bovine herpesvirus-1 reproductive disease events vaccine-induced?

C. C. L. Chase, B. Gillette, T. Clement

195-196
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Survey of lame cow management practices on California dairies

M. Pineda, I. Adkin, N. Silva-del-Río

196
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Effects of dietary fiber and distillers grains on enterohemorrhagic Escherichia coli hide contamination prior to slaughter in feedlot steers

L. G. Schneider, G. E. Erickson, R. A. Moxley, D. R. Smith

197
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Post-partum serum albumin as a predictor of metritis

J. Powell, E. Rollin

198
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Efficacy of gonadorelin hydrochloride or gonadorelin diacetate tetrahydrate 7 days after AI in field conditions to boost progesterone levels, a randomized clinical trial

V. Caldwell, R. Martineau

199
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Research Summaries 4

Hoof trimmer performance on California dairies based on observed practices during therapeutic trimming

M. Pineda, I. Akin, A. Lago, N. Silva-del-Río

172
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Impact of early detection and treatment of moderate lameness on disease progression and cow performance

A. García-Muñoz, N. Singh, N. Silva-del-Río

173
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Metagenomic evaluation of the dairy farm environment and facilities for evidence of digital dermatitis-associated bacteria

C. Rock, A. Krull, P. Gorden, J. Shearer, P. J. Plummer

174
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Deep sequencing metagenomic analysis of experimentally induced bovine digital dermatitis lesions

A. Krull, J. K. Shearer, P. Gorden, V. Cooper, P. J. Plummer

175
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Estrus detection intensity and accuracy and optimal timing of insemination with automated activity monitors for dairy cows

Craig Leroy, Stephen LeBlanc

176
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Metritis severity score misclassification underpredicts consequence cost of disease

Michael W. Overton, Maris M. McCarthy

177
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Evaluation of a novel vaccine based on siderophore receptor proteins and porins (SRP Technology) for controlling Klebsiella mastitis in a dairy herd

Patrick J. Gorden, Michael Kleinhenz, Joshua Ydstie, Larry Sliden, Darren Straub, Doug Burkhardt

178
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Understanding stewardship Associations with treatment thresholds for antimicrobial use among dairy calf producers

G. G. Habing, C. Djordjevic, G. Schuenemann, J. Lakritz

179
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A case-control study of herd-level risk factors for nursing calf bovine respiratory disease on cow-calf operations

A. R. Woolums, R. D. Berghaus, D. R. Smith, R. F. Daly, G. L. Stokka, B. J. White

179-180
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Diagnostic accuracy of clinical illness for bovine respiratory disease diagnosis in feedlot beef calves a systematic review of the literature and Bayesian meta-analysis

E. Timsit, N. Dendukuri, I. Schiller, S. Buczinski

180-181
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Comparing estimates of treatment effect of antibiotics for BRO from randomized controlled trials with a network meta-analysis

A. M. O'Connor, C. Yuan, J. N. Cullen, J. F. Coetzee, N. da Silva, C. Wang

181-182
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Histological characteristics of ovarian follicular dysplasia observed through ultrasound in Florida beef herds

J. A. Gard, J. F. Roberts, E. Steel, J. Yelvington, J. Yelich, N. Siegel, K. Norton, J. Hinds

182
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Research Summaries 1

Close-up diet DCAD, urine pH, and total plasma calcium at calving on a commercial Jersey herd

A. Valldecabres, D. Rolle, V. J. Ramirez, N. Silva-del-Río

134
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Extension of anionic diet into the first three days of lactation and its effect on calcium blood levels in postpartum dairy cattle

G. Maier, B. McNabb, R. Pereira, S. Aly, H. Rossow

134-135
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Effects of prophylactic supplementation with QuadriCalMINI oral calcium boluses on peripartum calcium, urine pH and health in a commercial Jersey herd supplemented with anionic salts

A. Valldecabres, D. Rolle, A. Belaid, N. Silva-del-Río

135-136
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The association of prepartum blood magnesium concentration with postpartum subclinical hypocalcemia

R. C. Neves, B. M. Leno, T. R. Overton, J. A. A. McArt

136-137
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Comparison of four electronic cowside tests for diagnosing hyperketonemia in dairy cows

K. D. Bach, W. Heuwieser, J. A. A. McArt

137
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Investigating the within-herd prevalence and risk factors for ketosis in dairy cattle in Ontario as diagnosed by the test-day concentration of beta-hydroxybutyrate in milk

E. H. Tatone, T. F. Duffield, S. J. LeBlanc, T. J. DeVries, J. L. Gordon

138
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Transition management practices on Wisconsin dairies stratified by Transition Cow Index™

B. P. Schnell, J. C. Simons, N. B. Cook, T. L. Ollivett

138-139
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Rumen protected branched amino acids supplementation during early lactation in dairy cows

F. A. Leal Yepes, S. Mann, T. R. Overton, J. J. Wakshlag, D. V. Nydam

139-140
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Inter- and intra-cow variability and the effect of teat-end shape on average milk flow rate, milk harvested in the first two minutes, and seconds below 2.2 lb per minute

M. Wieland, P. D. Virkler, D. V. Nydam

140-141
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Milk microbiome assessed through 165 rRNA sequencing during antimicrobial treatment of mastitis a randomized clinical trial and longitudinal follow up

E. K. Ganda, R. S. Bisinotto, K. Kronauer, S. F. Lima, R. C. Bicalho

141-142
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Longitudinal characterization of mastitis causing pathogens previously identified as "other Streptococcal species", including Lactococcus

J. C. Scillieri Smith, P. Moroni, C. G. Santisteban, B. J. Rauch, D. V. Nydam

142-143
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Randomized non-inferiority trial comparing two commercial intramammary antibiotics for the treatment of non-severe clinical mastitis in dairy cows

A. K. Vasquez, D. V. Nydam, M. B. Capel, B. Ceglowski, B. J. Rauch, M. J. Thomas, R. D. Watters, M. J. Zurakowski

143-144
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The treatment of only environmental streptococci clinical mastitis cases reduced antibiotic use, days out of the tank, recurrence of clinical mastitis and a tendency to reduce culling

A. Lago, C. Tovar, J. Zaragoza, D. Luiz, D. Pearce

144-145
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Evaluation of an automated milk leukocyte differential test for detecting intramammary infection in early- and late-lactation quarters and cows

S. M. Godden, E. Royster, J. Timmerman, P. Rapnicki, H. Green

145-146
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Research Summaries 2

A herd-level study of colostrum management and its association with success of passive transfer in newborn dairy calves

P. Freycon, S. Buczinski, J. Dubuc

147
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Are we feeding Mycobacterium paratuberculosis in calf milk replacer?

B. B. Kunkel, I. R. Grant, A. C. G. Foddai, J. C. Tarrant, S. M. McGuirk, M. T. Collins

148
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The effect of anti-Il-10 IgY on health and performance of preweaned dairy calves a dose response study

S. Raabis, S. McGuirk, M. Cook, J. Sand, J. Rieman, K. Rottenberg, T. Ollivett

149
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The use of day level feeding behaviors to detect illness in group housed automatically fed pre-weaned dairy calves

Whitney A. Knauer, Sandra Godden, Robert James, Alyssa Dietrich

150
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Lactoferrin reduces mortality in pre-weaned calves with diarrhea

K. Harris, G. Schuenemann, J. Lakritz, J. Pineiro, X. Alcaraz, G. Habing

151
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Mortality risk factors for calves entering a multi-locational veal farm

C. B. Winder, D. F. Kelton, T. F. Duffield

151-152
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Utility of an online learning module to teach cautery disbudding technique for dairy calves, including cornual nerve block application

C. B. Winder, S. J LeBlanc, D. B. Haley, K. D. Lissemore, M. A. Godkin, T. F. Duffield

152-153
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Prevalence of lung lesions using thoracic ultrasonography in pre-weaned calves from dairy herds in Quebec, Canada

S. Buczinski, M. E. Borris, J. Dubuc

153
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Duration of recumbency and quality of nursing care of non-ambulatory cows affects the outcome of flotation therapy

J. Stojkov, D. M. Weary, M. A. G. von Keyserlingk

154
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Behavioral evaluation of the analgesic effects of ketoprofen in lame dairy cows

B. L. Novak, B. H. Manning, J. S. Tena, S. A. Wagner

155
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The pharmacokinetics of transdermal flunixin meglumine in Holstein calves

M. D. Kleinhenz, N. K. Van Engen, P. J. Gorden, K. KuKanich, S. M. Rajewski, Phillip Walsh, J. F. Coetzee

156
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Effects of transdermal flunixin meglumine on pain biomarkers at dehorning

M. D. Kleinhenz, N. K. Van Engen, P. J. Gorden, J. F. Coetzee

157
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Evaluation of three detection strategies on the odds of lameness cure in dairy cows

Erin Wynands, David Moe, Gerard Cramer

158
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Associations between preventive hoof trimming, activity and resting behaviors

G. Stoddard, G. Cramer

159
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Research Summaries 3

Predicting bull mounting behavior using classification algorithms

K. M. Abell, B. J. White, R. L. Larson, M. E. Theurer, D. K. Hardin, R. R. Randle

160
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Ulcerative penile lesions in beef bulls due to pseudocowpox virus

Andrew J. Allen, James Evermann, Dubraska Diaz-Campos, Jessica McCrea

160-161
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Using a deterministic systems model to examine the effects of the postpartum period on cow-calf productivity over 10 years

Douglas D. Shane, Robert L. Larson

161-162
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Influence of vaccination with an inactivated or modified live viral reproductive vaccine on reproductive parameters in beef cows

G. A. Perry, E. L. Larimore, M. R. Crosswhite, B. W. Neville, V. Cortese, R. F. Daly, G. Stokka, J. C. Rodgers

163-164
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Comparison of treatment history and antimicrobial sensitivity results of common bovine respiratory disease bacterial pathogens from cases submitted to the ISU-VDL from 2013-2015

D. R. Magstadt, A. M. Schuler, J. F. Coetzee, A. C. Krull, A. M. O'Connor, V. L. Cooper, T. J. Engelken

162-163
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A randomized, controlled, blinded trial assessing the association between infectious bovine keratoconjunctivitis incidence and a commercial Moraxella bovis vaccine in beef calves

J. Cullen, T. Engelken, V. Cooper, A. M. O'Connor

164
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Characterization of neonatal beef calf behavior and associations with weight gain and intake of colostral immunoglobulins

J. E. Bayne, T. Passler, M. F. Chamorro, D. M. Haines, P. H. Walz

165
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A descriptive analysis of the commensal luminal and mucosal microbiome of the duodenum using a cannulated calf model

Ricardo M. Stockler, Erin S. Groover, Benjamin W. Newcomer, Paul H. Walz

165-166
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A survey to describe beef producer opinions on antibiotic use and consumer perceptions of antibiotics in the beef industry

T. L. Lee, D. U. Thomson

166
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Failure of high-capacity pneumatic darts to consistently deliver tulathromycin to calves after remote drug delivery

J. F. Coetzee, M. D. Kleinhenz, D. R. Magstadt, V. L. Cooper, N. K. Van Engen, J. S. Smith, N. Rand, P. G. Gorden

167
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Does dart gun delivery of antibiotics cause changes in drug disposition or meat quality?

Tom Hairgrove, Ron Gill, Crystal Waters, Rhonda Miller, Travis Mays, Michael Miller, Virginia Fajt

167-168
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Relationship between trauma observed during unloading and carcass bruise prevalence in finished cattle at commercial slaughter facilities

T. L. Lee, S. J. Bartle, M. Apley, G. H. Loneragan, C. Vahl, C. D. Reinhardt, M. Siemens, D. U. Thomson

168
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Prevalence of EHEC-7 on hides of market beef cattle at slaughter

L. G. Schneider, R. A. Moxley, D. R. Smith

169
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Effects of dietary fiber and distillers grains on fecal shedding of enterohemorrhagic Escherichia coli in feedlot steers

L. G. Schneider, G. E. Erickson, R. A. Moxley, D. R. Smith

170
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Exploring the susceptibility of humans to animal prion diseases

K. A. Davenport, D. M. Henderson, C. K. Mathiason, E. A. Hoover

171
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