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The Canadian Veterinary Journal January / Janvier 2020 / Volume 61 / No. 01 THE CANADIAN VETERINARY JOURNAL Published by the Canadian Veterinary Medical Association Publiée par l’Association canadienne des médecins vétérinaires FOR PERSONAL USE ONLY DENTAL CARE SOME SEE A KIBBLE WE SEE A TOOTHBRUSH Prescription Diet t/d has an innovative kibble function to clean your patient’s teeth with every bite. Superior clinical efficacy in reducing plaque and tartar 1 buildup and the occurrence of gingivitis Formulated to promote a urinary environment that 2 reduces the risk of struvite and calcium oxalate crystals A vital part of a pet’s daily health regimen — helps maintain 3 healthy digestion, healthy weight and shiny coats Ask your Hill’s territory manager about dental nutritionthat’s A STEP AHEAD FOR THEIR BEST LIFE ©2019 Hill’s Pet Nutrition Canada, Inc. ®/™ Trademarks owned by Hill’s Pet Nutrition, Inc. FOR PERSONAL USE ONLY Care without Compromise. TAP ™ AS EW LE O IO F RM L E D E R C H E A R S T K W C I O T R 360° M broad-spectrum protection R S O U U M L N R O P D ® W W O P R R I O M H T W P E C R HOO RM TE KWO IN Don’t compromise on external and internal parasite protection. Protect your canine patients against ticks and fleas with CredelioTM (lotilaner), and against five common worms including tapeworm and whipworm with Interceptor® Plus (milbemycin oxime/praziquantel). CREDELIO INDICATIONS INTERCEPTOR PLUS INDICATIONS Credelio is indicated for the treatment and prevention of flea infestations (Ctenocephalides felis) and the Interceptor Plus is indicated for the prevention of heartworm disease caused by Dirofilaria immitis; and for the treatment and control of tick infestations [Amblyomma americanum (Lone Star tick), Dermacentor variabilis treatment and control of adult roundworms (Toxocara canis, Toxascaris leonina), adult hookworm (Ancylostoma (American dog tick), Ixodes scapularis (black-legged or deer tick) and Rhipicephalus sanguineus (brown dog caninum), adult whipworm (Trichuris vulpis), and adult tapeworms (Taenia pisiformis, Echinococcus tick)] for one month in dogs and puppies. multilocularis, Echinococcus granulosus, and Dipylidium caninum) infections in dogs and puppies. IMPORTANT SAFETY INFORMATION IMPORTANT SAFETY INFORMATION The safe use of Credelio in breeding, pregnant or lactating dogs has not been evaluated. Use with caution in The label contains complete use information, including cautions, and warnings. Always read, understand and dogs with a history of seizures. The label contains complete use information, including cautions, and warnings. follow the label, and use directions. Always read, understand and follow the label, and use directions. Credelio, Interceptor, Elanco and the diagonal bar logo are trademarks of Elanco or its affiliates. © 2020 Elanco PM-CA-19-0579 FOR PERSONAL USE ONLY The truth is, nothing else is “just like” FortiFlora®. Powerful. Proven. Proprietary. Promotes Backed by No other canine or digestive and multiple feline probiotic— immune health. clinical studies. generic or brand name—can use the strain Enterococcus ® ® faecium SF68 . # is the PROBIOTIC1 recomm ended by Vete † rinarians Demand the #1 probiotic brand recommended by veterinarians. Order today. Questions about FortiFlora®? Contact your Purina® Territory Manager at 1-866-884-VETS(8387). † 2018 Veterinary Attitude Study, Impact Vet, Fall 2018 ® Your Pet, Our Passion.® Purina trademarks are owned by Société des Produits Nestlé S.A. Date: December 6, 2019 File Name: PPPVD FortiFlora Print Trade Ad_CVJ_ Special Instructions: Client: NPPC Pro Plan Veterinary Diets 8-125x10-875in EN FINAL Low resolution PDF is included with artwork for colour reference only. Contact: EK Trim Size: 8.125” x 10.875” Project #: Prints: Designer: Walter Castaldi English only File Orgin: CYAN YELLOW Contact: [email protected] us_wac Fonts: Adelle, Antenna, Helvetica, Meta Serif Pro, (905) 741-9221 Software: ID CC19, AI CC19, PS CC19 Myriad Pro MAGENTA BLACK FOR PERSONAL USE ONLY JANUARY/JANVIER 2020 Contents Table des matières SCIENTIFIC RUBRIQUE SCIENTIFIQUE CASE REPORTS RAPPORTS DE CAS 30 Diabetic remission in a cat treated with an implantable pump to deliver insulin Chiara Crinò, Francesca Iavazzo, Filippo Ferri, Luigi M. Coppola, Elena Salesov, Thomas A. Lutz, Claudia E. Reusch, Eric Zini 35 Spontaneous mural gallbladder hematoma in a dog Olivia Jerrems, Carlos H. de Mello Souza, Vincent Wavreille, Benjamin I. Davids 39 Mycobacterium porcinum causing panniculitis in the cat Allison Cox, Tyler J. Udenberg 44 Diagnostic imaging of a basihyoid bone 69 The comparative efficacy of disinfectant fracture and partial avulsion of the medial wipes on common-use computer keyboards pterygoid muscle in a horse in a veterinary teaching hospital Brittany Veerasammy, Massimo Delli-Rocili, Eileen K. Wong, Brandy A. Burgess, Monica Jensen, Nicola Cribb, Alex zur Linden Ben M. Brainard, Craig E. Greene, David J. Hurley, Amie Koenig 49 Intravenous lipid emulsion to treat suspected cocaine toxicosis in a dog BRIEF COMMUNICATION Kirsty Royle, Carsten Bandt COMMUNICATION BRÈVE 75 Update on demographics of the Canadian ARTICLES Dairy Industry for the period 2011 to 2016 53 Comparison of single, fixed-time artificial Christopher D. Luby, Cheryl Waldner, insemination in weaned sows using Murray D. Jelinski 2 different protocols to synchronize ovulation STUDENT PAPER Lima Rodrigues, Rocio Amezcua, Glen Cassar, COMMUNICATION ÉTUDIANTE Terri O’Sullivan, Robert Friendship 79 A peculiar case of soft tissue sarcoma 57 Concentrations and deficiencies of in a cat minerals in cattle submitted to a Werdah Iqbal diagnostic laboratory in Saskatchewan from 2003–2012: A retrospective study 11 QUIZ CORNER Ursula Perdrizet, Barry Blakley, Ahmad Al Dissi TEST ÉCLAIR 63 Pilot study of the effectiveness of a xylitol-based drinking water additive to reduce plaque and calculus accumulation in dogs Candace Lowe, James Anthony CVJ / VOL 61 / JANUARY 2020 3 FOR PERSONAL USE ONLY What’s your vision for the future of your business? Questions to ask as you enter discussions with potential partners. – Dr. Louis Kwantes, Park Veterinary Centre. Sherwood Park, AB. NVA partner since 2016. 3 NO. 01 NO. 02 NO. 03 Is it the right culture Are there flexible How comprehensive fit for your team? deal structures? are the support services? As you begin considering your options Because selling your pet hospital is As you contemplate transitioning for selling your pet hospital business, such a personal decision, you’ll want your business, you’ll want to know it’s important to find a partner aligned to understand what types of options every aspect is covered. Seek out with your values, respectful of the are available, and to what level they a partner with a dedicated individuality of what you’ve built, and can tailor the terms to meet your team seasoned in marketing equipped to grow your business, while needs. (including digital advertising your team and culture remain intact. and social media strategy), ASK IF THE BUYER CAN: web development and hosting, Ask around to find out which buyers client satisfaction surveys, IT, HR, • Make all cash offers with no have the best reputation for caring for accounting, taxes, legal and more. finance contingency pets and the people who love them. • Offer Joint Venture partnerships for growth and flexibility • Buy the real estate outright or lease from you NVA has over 700 partnerships in the US, Canada, Australia and New Zealand. Our passionate, visionary local pet resort and hospital leaders embody NVA’s unique entrepreneurial spirit. We’d be more than happy to talk through your questions and concerns. You can reach us at 888.767.7755 or [email protected]. FOR PERSONAL USE ONLY JANUARY/JANVIER 2020 Contents Table des matières FEATURES RUBRIQUES PRESIDENT’S MESSAGE NOTICES ANNONCES LE MOT DE LA PRÉSIDENTE 7 Stay challenged and continue growing 88 Index of Advertisers Garder la motivation et continuer Index des annonceurs à s’épanouir 92 Classifieds Melanie Hicks Petites annonces 9 VETERINARY MEDICAL ETHICS DÉONTOLOGIE VÉTÉRINAIRE NEWS | NOUVELLES 13 HAPPY 60TH BIRTHDAY CVJ! LA RVC FÊTE SES 60 ANS! 23 NEWS Carlton Gyles, Ron Lewis, Greg Harasen, NOUVELLES John Prescott Heather Broughton, Sophie Perreault VETERINARY DERMATOLOGY DERMATOLOGIE VÉTÉRINAIRE 82 Atopic dermatitis in humans and dogs Martín A. Arcique, Jangi Bajwa VETERINARY PRACTICE MANAGEMENT GESTION D’UNE CLINIQUE VÉTÉRINAIRE 85 The demand for associate veterinarians: Surveying the “shortage”/Analyse de la « pénurie » de médecins vétérinaires Chris Doherty 89 DIAGNOSTIC OPHTHALMOLOGY OPHTALMOLOGIE DIAGNOSTIQUE Lynne S. Sandmeyer, Marina Leis, Stephanie Osinchuk Contributors “Instructions for authors” are available online (www.canadianveterinarians.net). Les «Directives à l’intention des auteurs» sont disponibles en ligne (www.veterinairesaucanada.net). CVJ / VOL 61 / JANUARY 2020 5 FOR PERSONAL USE ONLY The Canadian Veterinary Journal Editorial policy: All published articles including editorials and letters reflect the La Revue vétérinaire canadienne opinions of the authors and do not necessarily reflect the opinion of the publisher. Publication of an advertisement does not necessarily imply that the publisher agrees 339 rue Booth Street with or supports the claims therein. Ottawa, Ontario K1R 7K1 The Canadian Veterinary Medical Association holds complete copyright of all articles Telephone: (613) 236-1162 within this issue. Fax: (613) 236-9681 Politique de la Rédaction : Tous les articles publiés, y compris les éditoriaux et les E-mail:
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