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Iatrogenic postvaccinal injection site granulomas in cattle

Folchini, Natália Picoli; Zanatta, Liliane; Ugolini, Lays Wouters; Machado, Tanise Policarpo; Motta, Adriana Costa da; Bohrer, Ricardo Reis; Bondan, Carlos.
Acta Sci. vet.; 46(supl): 1-6, 2018. ilus
Artigo em Inglês | VETINDEX | ID: vti-728285

Resumo

Background: The Brazilian government has established disease eradication and control programs to protect livestock from pathogens that affect animal health and compromise animal protein production and food safety and quality. Vaccination campaigns against foot-and-mouth disease and other infectious diseases in cattle except brucellosis can be carried out by non-veterinarian employees. However, vaccination errors can result in the formation of granulomas at injection sites that can affect animal welfare and production. The present study aimed to report two cases of granulomas at injection sites due to the inadvertent administration of vaccines containing saponins and mineral oil as adjuvants.Cases: Case 1. The history was that a 2-year-old Devon steer was down for 7 days and was vaccinated 20 days ago with a vaccine containing saponins and mineral oil as adjuvants. Case 2. A 7-month-old Holstein heifer was examinated due to a 40-day history of ataxia, forelimb paresis progressing to tetraparesis, and vaccination with a vaccine containing saponins and mineral oil as adjuvants 60 days ago. These two animals were admitted in the Veterinary Hospital from the University of Passo Fundo (UPF) with a clinical history of incoordination and permanent decubitus after vaccination. The disease had a similar clinical course in both animals. Clinical signs included the presence of a palpable cervical mass at the site of vaccination, forelimb paresis that progressed to tetraparesis, and decubitus scars. Treatment included intravenous administration of anti-inflammatory steroids, antibiotic therapy, daily cleansing of the pressure sores, all four limbs were massaged, animals underwent several physiotherapy sessions, slings were used to mantain recumbent patients in a standing position and supportive therapy consisted of fluid therapy and oral supplementation. Animals remained hospitalized for approximately 40 days.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1