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American Journal of Veterinary Research

The mission of AJVR is to disseminate throughout the world the highest-impact, rigorously reviewed veterinary science research across the spectrum of species, using an online-only, open access format for maximum accessibility. The AJVR converted to a fully open access platform 6/1/22. Open access articles are licensed under the Creative Commons CC BY-NC license. CC BY licensing is available upon request. Archival material is freely available. All rights are reserved in archival material.

Online ISSN: 1943-5681

Volume 86 (2025): Issue 2 (Feb 2025)

Open access

Application of artificial intelligence and machine learning in bovine respiratory disease prevention, diagnosis, and classification

Haleigh M. Prosser
,
Eduarda M. Bortoluzzi
,
Robert J. Valeris-Chacin
,
Emilie C. Baker
, and
Matthew A. Scott
Open access

Arginine vasopressin, ghrelin, 5-hydroxyindoleacetic acid, and substance P do not appear to be reliable biomarkers of nausea in dogs

Cameron B. Seger
,
Kirk A. Muñoz
,
Laura R. Adams
,
Ahmed Kamr
,
Phillip Lerche
,
Carolina H. Ricco Pereira
,
Audrey Wanstrath
, and
Ramiro E. Toribio
Open access

Fecal bacterial microbiota diversity characterized for dogs with atopic dermatitis: its alteration and clinical recovery after meat-exclusion diet

Swagatika Swain
,
Priyadarshini Sahoo
,
Sangram Biswal
,
Kamadev Sethy
,
Ananta Narayan Panda
, and
Niranjana Sahoo
Open access

Machine learning predicts selected cat diseases using insurance data amid challenges in interpretability

Barr N. Hadar
,
Zvonimir Poljak
,
Brenda Bonnett
,
Jason Coe
,
Elizabeth A. Stone
, and
Theresa M. Bernardo
Open access

Short-term manual acupuncture decreased markers of systemic inflammation and altered articular cartilage transcripts in the Dunkin-Hartley model of osteoarthritis

Alexa P. Spittler
,
Katherine E. Bukovec
,
Maryam F. Afzali
,
Sarah E. Leavell
,
Sydney B. Bork
,
Cassie A. Seebart
,
Kelly S. Santangelo
, and
Melinda R. Story
Open access

Equine upper airway laser surgery generates plumes containing hazardous components

Kelsea A. Sholty
,
Arsineh Hecobian
,
Amy P. Sullivan
,
Jeffrey L. Collett Jr
,
Drew W. Koch
, and
Eileen S. Hackett
Open access

Interleukin-1β as an articular process joint intra-articular model induces synovitis and signs of acute neck pain in horses

Melinda R. Story
,
Melissa King
,
Yvette S. Nout-Lomas
,
Myra F. Barrett
,
Christopher Kawcak
,
David Frisbie
,
C. Wayne McIlwraith
, and
Kevin K. Haussler
Open access

Pulmonary disposition and pharmacokinetics of a single oral dose of chloramphenicol in healthy fasted adult horses

Lana Dedecker
,
Serena Ceriotti
,
Mariano Mora-Pereira
,
Heather K. Knych
,
Emily Zuber
, and
Kara M. Lascola
Open access

Time but not storage of equine plasma in silicate-coated tubes affects adrenocorticotropic hormone stability

Taylah J. Johnston
,
Allison J. Stewart
,
Elizabeth L. Dryburgh
, and
François-René Bertin
Open access

A wolf at the door: the ecology, epidemiology, and emergence of community- and urban-level Rocky Mountain spotted fever in the Americas

Janet Foley
,
Andrés M. López-Pérez
,
Gerardo Álvarez-Hernández
,
Marcelo B. Labruna
,
Rodrigo Nogueira Angerami
,
Oscar E. Zazueta
,
Sergio Bermudez
,
Francesca Rubino
,
Johanna S. Salzer
,
Maureen Brophy
,
Adriano Pinter
, and
Christopher D. Paddock
Open access

Dickkopf-1 is present in equine platelet-rich plasma and correlates to platelet concentration

Brooke L. Boger
,
Marc A. Kinsley
,
Chelsey J. Yob
,
Lindsay E. Knott
, and
Jane M. Manfredi
Open access

Effect of storage temperature on bovine cardiac morphology

Tara L. Goertzen
,
Claire R. Shaw
,
Lauren M. Gilbertsen
,
Yufei Guo
,
Emma S. Scudder
,
Phillip D. Bass
,
Lauren E. Christensen
, and
Daniel P. Fitzsimons
Open access

Journal instructions to authors submitting veterinary systematic reviews are inconsistent and often inadequate

Erica Tramuta-Drobnis
,
L. M. Rey
,
Marnie L. Brennan
,
Bobby Cowles
,
Molly E. Crews
,
Erik D. Fausak
,
Denis J. Marcellin-Little
,
Martin L. Whitehead
, and
Heather K. Moberly
Open access

The effects of alfaxalone, alone or with butorphanol, on the ultrasonographic appearance of the feline spleen

Grace McBride
,
Kristen M. Fizzano
,
Alison M. Lee
,
Marc Seitz
, and
Robert Wills
Open access

Evidence for successful gastric perfusion computed tomography with low-radiation dose

Kazuya Kushida
,
Mizuki Tamazawa
,
Miu Matsumoto
,
Kentaro Yamazaki
,
Eisei Shimizu
,
Airi Kaneyama
,
Shunsuke Miyahara
,
Aritada Yoshimura
,
Toshie Iseri
,
Kodai Tashiro
,
Masaaki Katayama
,
Ryuji Fukushima
, and
Miori Kishimoto
Open access
Open access

Endoscopic evaluation of the feline tympanic bulla is feasible for detection of epithelial remnants following ventral bulla osteotomy in a cadaveric model

Rachel W. Williams
,
Penny J. Regier
,
Nirali Pathak
,
Francesca P. Solari
,
Kathleen M. Ham
,
Judith Bertran
, and
J. Brad Case
Open access

Retrospective observational study shows accelerometers can monitor effects of canine pruritus treatment

Abigail O’Rourke
,
Leah Redford
,
Aletha Carson
,
Scott Lyle
,
Cassie Kresnye
, and
Ciaran O’Flynn
Open access

Comparison of urinary cortisol, urinary cortisol-to-creatinine ratio, and basal serum cortisol as screening tests for hypoadrenocorticism in dogs

Federico Fracassi
,
Alessandro Tirolo
,
Matteo Galeotti
,
Andrea Corsini
,
Andrea Bertolazzi
,
Amtonio M. Tardo
,
Stefania Golinelli
,
Walter Bertazzolo
,
Ugo Bonfanti
,
Fabio Procoli
, and
Francesca Del Baldo
Open access

Ultrasound-guided celiac plexus block increases intestinal motility in normal horses

Barbara Delvescovo
,
Jacqueline M. Chevalier
,
Luis Campoy
, and
Marta Cercone
Open access

Use of computed tomography angiography has potential in planning surgical treatment of an extrahepatic portosystemic shunt in dogs

Ryo Takeuchi
,
Kumiko Ishigaki
,
Kaito Iida
,
Chieko Ishikawa
,
Naoko Shiozawa
,
Shoko Yamaoka
,
Naoki Yamada
,
Yumi Sakamoto
,
Manabu Sakai
, and
Kazushi Asano
Open access

Artificial intelligence and machine learning in veterinary medicine: a regulatory perspective on current initiatives and future prospects

Hesha J. Duggirala
,
Jennifer L. Johnson
,
Daniel A. Tadesse
,
Chih-Hao Hsu
,
Alexis L. Norris
,
Joseph Faust
,
Linda Walter-Grimm
, and
Tristan Colonius
Open access

Rebound tonometry intraocular pressure reference values for conscious adult Egyptian vultures (Neophron percnopterus)

Lucia Gomez Prieto
,
Dominic Byron-Chance
,
Ashton J. Hollwarth
, and
Thomas A. G. Dutton
Open access

Effect of oral premedication with gabapentin and trazodone combination on the MAC of isoflurane in dogs

Jacob Aiello
,
Brittney Carson
,
Turi Aarnes
,
Audrey Wanstrath
, and
Mary McLoughlin
Open access

Bronchial vessel density is correlated with airway smooth muscle cell proliferation in horses with mild and moderate asthma

Esther M. Millares-Ramirez
,
Florence Dupuis-Dowd
,
Sophie Mainguy-Seers
, and
Jean-Pierre Lavoie
Open access

Chronic oral dosing of cannabidiol and cannabidiolic acid full-spectrum hemp oil extracts has no adverse effects in horses: a pharmacokinetic and safety study

Tongxin Charlotte Wang
,
Joseph J. Wakshlag
,
Mason C. Jager
,
Wayne S. Schwark
,
Nathalie L. Trottier
,
Jacqueline M. Chevalier
,
Garett Pearson
, and
Marta Cercone
Open access
Open access

Chlamydial infections in free-ranging raptors presenting to a university veterinary medical teaching hospital (1993–2022)

Michelle G. Hawkins
,
Edith Blair
,
M. Kevin Keel
,
Molly D. Horgan
,
Terra R. Kelly
,
David Sanchez-Migallon Guzman
,
Brittany A. Seibert
,
Tanja S. Zabka
,
Linda J. Lowenstine
,
Tracy Drazenovich
,
Roger A. Nilsen
,
Samantha Barnum
, and
Branson W. Ritchie
Open access

Oxidative stress induces plasma membrane phosphatidylserine externalization in canine erythrocytes in vitro, mitigated by thiol antioxidants

Yun-Fan Kao
,
Andrea Pires dos Santos
,
Priscila B. S. Serpa
,
George E. Moore
, and
Andrew D. Woolcock
Open access

Randomized controlled trial comparing the immunogenicity of experimental Salmonella Dublin siderophore receptor vaccines in calves

Kristen P. Hayman
,
Cody Sacquitne
,
Angela D. Rowson
,
Doug T. Burkhardt
,
Mark P. Peterson
,
Darren E. Straub
,
Jodi L. McGill
, and
Patrick J. Gorden
Open access

Breed-specific vertebral heart size and vertebral left atrial size reference intervals in Yorkshire Terriers, Pomeranians, Pugs, and Boston Terriers

Lisa A. Murphy
,
Cesar Munoz
,
Charlotte I. Zepeda
,
Nicole Piscitelli
,
Jessica Gentile-Solomon
,
Donald Szlosek
, and
Reid K. Nakamura
Open access

Influence of tibial plateau angle in cranial cruciate ligament–deficient stifle on patellar ligament strain: an ex vivo study

Elizabeth G. Bester
,
Gareth E. Zeiler
,
George G. Stoltz
,
Abraham J. Oberholster
, and
Adriaan M. Kitshoff
Open access

Brain-type natriuretic peptide is a useful biomarker of cardiovascular disease and predictor of cardiac-related mortality in chimpanzees (Pan troglodytes)

Angela M. Achorn
,
Carolyn L. Hodo
,
Martha E. Hensel
,
Elizabeth R. Magden
,
Stephanie J. Buchl
,
Charla L. Jones
,
Elizabeth A. Piatt
, and
William D. Hopkins
Open access

A generic precurved interlocking nail is more compatible with femoral and tibial morphology than a straight nail in dogs

Thomas Rousseau
,
Mathieu Jourdain
,
Benjamin Godart
,
Pierre Maitre
,
Thibaut Cachon
,
Dimitri Leperlier
, and
Olivier Gauthier
Open access

Mild hypothermia is associated with altered volume kinetic parameters of an intravenous crystalloid fluid bolus in healthy isoflurane-anesthetized cats

Stefania Gelendi
,
Xiu Ting Yiew
,
Shane Bateman
,
Katherine Gerken
,
Kendon W. Kuo
,
William R. Ravis
,
Aime K. Johnson
, and
Pen-Ting Liao
Open access

Point-of-care platform integrated with deep-learning, convolutional neural network algorithms effectively evaluates canine and feline peripheral blood smears

Eric Morissette
,
Cory D. Penn
,
Ruth A. Hall Sedlak
,
Austin J. Rhodes
,
Dan S. Tippetts
,
Mike Loenser
, and
Richard Goldstein
Open access

Avian pathogenic Escherichia coli and ostriches: a deep dive into pathological and microbiological investigation

Rania S. Zaki
,
Nady Kh. Elbarbary
,
Manal A. Mahmoud
,
Mounir M. Bekhit
,
Mohamed M. Salem
,
Marwa Darweish
, and
Ahmed Fotouh
Open access

Immunization but not natural infection of horses results in antibody activity against the S protein of Streptococcus equi subsp equi

Noah D. Cohen
,
Emma V. Hughes
,
Charlie Bayne
,
Ellen Ruth A. Morris
,
Jocelyne M. Bray
,
Kerstin K. Landrock
,
Danielle M. Gonzales
,
Reagan M. Baker
,
Rafaela L. Klein
,
Wen Liu
,
Rebecca M. Legere
,
S. Garrett Wehmeyer
,
Angela I. Bordin
,
Igor H. Wierzbicki
, and
David J. Gonzalez
Open access

Predicting blood loss volume in a canine model of hemorrhagic shock using arterial waveform machine learning analysis

Thomas Edwards
,
Jose M. Gonzalez
,
Sofia Hernandez-Torres
,
Emilee Venn
,
Rebekah Ford
,
Nicole Ewer
,
Guillaume L. Hoareau
,
Lawrence Holland
,
Victor A. Convertino
, and
Eric Snider
Open access
Open access

18F-sodium fluoride positron emission tomography is a sensitive imaging technique to detect atherosclerosis in Amazon parrots (Amazona spp)

Lucyanne Megan
,
Kelsey Brust
,
Matthieu Spriet
,
Pedro Ruivo
,
Marcel Gómez-Ponce
, and
Hugues Beaufrère