Today's Veterinary Practice

MAR-APR 2018

Today's Veterinary Practice provides comprehensive information to keep every small animal practitioner up to date on companion animal medicine and surgery as well as practice building and management.

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14 AHS HEARTWORM HOTLINE FIGURE 1. Algorithm for minimizing heartworm transmission in relocated dogs. Test all dogs >6 months of age for Mf and Ag Mf-, Ag+ Mf+, Ag- Mf+, Ag+ Negative Positive Abbreviations: Mf microfilariae Ag antigen ML macrocyclic lactone Algorithm for Minimizing Heartworm Transmission in Relocated Dogs No clinical signs, minimum 4 weeks after melarsomine injection Administer approved ML Begin doxycycline Repeat Knott's test in 7 days Testing not possible/ results not available PROCEED WITH RELOCATION Positive Knott's test 1. Apply approved topical moxidectin product OR Administer topical canine insecticide (containing permethrin + dinotefuran + pyriproxyfen) AND an approved ML 2. Begin doxycycline ■ Guidelines for microfilaria testing and retesting to avoid the transport of microfilaremic dogs ■ Guidelines for transport following melarsomine administration to minimize thromboembolic events Traveling with pets is common in today's mobile society and can be key to maintaining a strong human-animal bond; meanwhile, transport and adoption of shelter animals saves countless lives. With evidence-based diagnostic, prevention, and treatment strategies, veterinarians can help ensure that the spread of heartworms does not become an unintended consequence of these vital activities. 5 Tips for "Talking Transportation" 1 Know the regulations. For domestic travel, most states require proof of a current rabies vaccination and a Certificate of Veterinary Inspection at minimum. Meanwhile, airline carriers have additional rules and restrictions. 2 Ensure preventive care measures are up-to-date. Review the patient's vaccination history and internal and external parasite prevention plans. Ensure that both visible (eg, collar and tag) and permanent (eg, microchip) identifications are in place. 3 Assess travel-specific risks. Based on the pet's origins and destination, review disease prevention and mitigation strategies for infectious diseases that may be region or situation-specific such as Bordetella, Borrelia, canine influenza, and leptospirosis. 4 Discuss ways to reduce stress during transportation. The Five Freedoms present a useful framework for assessing animal welfare in a variety of contexts, including transportation accommodations. Ensure that these can be maintained during the journey. (FAWC, 2009) 5 Review best practices for large-scale animal relocation. For shelters and rescue groups, the Association of Shelter Veterinarians, American Veterinary Medical Association, and Society of Animal Welfare Administrators all have published guidelines for successful relocation of animals for adoption. (ASV, 2010; AVMA, 2014; SAWA, n.d.) Brian DiGangi Brian DiGangi, DVM, MS, DABVP, is a senior director of shelter medicine for the ASPCA. He earned his DVM from the University of Florida and is board certified in both canine and feline practice and shelter medicine practice. He is a member of the board of directors of the Association of Shelter Veterinarians and the American Heartworm Society. Dr. DiGangi has published research on feline adoption, canine heartworm disease, and immunology. Prior to joining the ASPCA, he served as a clinical associate professor at the University of Florida. Treatment completed Testing/Treatment not available; Relocation cannot be postponed POSTPONE RELOCATION until testing completed PROCEED WITH RELOCATION POSTPONE RELOCATION and treat according to AHS Guidelines Negative Knott's test

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