This Master thesis contains a risk assessment regarding the possibility for humans to be bitten by dogs in Denmark. As a part of this risk assessment the thesis contains an analysis of the effect of the introduction of legal bans of specific breeds in Denmark. Furthermore, the thesis contains an analysis of the societal context for the Danish legislation. This is done with back ground in models of risk management developed by James Reason and William Haddon Jr. The conclusion is that the Danish society continuously is vulnerable regarding the risk of humans being bitten by dogs – and that the ban of certain breeds have been without effect on the number of persons seeking hospital care for dog bites. The thesis demonstrates that the risk of human dog bites is highest in the private sphere and in the local area. The thesis reveal that the Danish state has failed to target the principal factors: context, situation and relation between man and dog in connection to situations where dog bites occur. / <p>Bedømt til karakteren "VG".</p>

Orientador: Márcio Garcia Ribeiro / Resumo: O estreitamento da relação entre tutores e animais de companhia, nas últimas décadas, aumentou consideravelmente o risco de transmissão de patógenos dos animais para os humanos. A microbiota da cavidade oral de animais de companhia é polimicrobiana e estes agentes podem potencialmente infectar humanos pelas mordeduras ou contato direto com mucosas ou feridas de pele. No entanto, são escassas as informações sobre a identificação destes micro-organismos por técnicas moleculares (microbioma, proteômica). Ainda, o perfil de sensibilidade microbiana in vitro da microbiota bacteriana bucal de cães e a etiologia dos agentes envolvidos em mordeduras em humanos não são completamente elucidados, posto que muitos cães são errantes e evadem após a agressão. Com efeito, o presente estudo investigou a presença de agentes de origem bacteriana e fúngica na cavidade oral de 100 cães hígidos por técnicas de cultivo microbiano convencional, sequenciamento genético em larga escala (microbioma) e espectrometria de massas (MALDI-TOF MS), bem como investigou o perfil de sensibilidade/resistência in vitro dos isolados. Foram identificados 213 micro-organismos de origem bacteriana e 20 de origem fúngica. Os agentes bacterianos mais prevalentes no diagnóstico microbiológico e espectrometria de massas foram Staphylococcus pseudintermedius (40/100=40%), Streptococcus α-hemolítico (37/100=37%) e Pasteurella stomatis (22/100=22%). O gênero de fungo mais prevalente foi Aspergillus (10/100=10%). Imipenem (2... (Resumo completo, clicar acesso eletrônico abaixo) / Abstract: The close relationship between humans and companion animals in recent decades has strongly increased the risk of transmission of pathogens from pets-to-humans. The microbiota of the oral cavity from companion animals is polymicrobial and these agents may potentially infect humans through bites or by direct contact with mucous membranes or cutaneous lesions. Nonetheless, the identification of these microorganisms by molecular techniques (microbiome, proteomics) is scarce. Besides, the in vitro microbial susceptibility pattern of oral bacterial microbiota from dogs and the etiology of agents involved in human bites are not fully understood, since many dogs are homeless and/or evade after aggression. The present study investigated the presence of bacterial and fungal agents in the oral cavity of 100 healthy dogs based on conventional microbiological culture, large-scale DNA sequencing (microbiome), and matrix-assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF MS). In vitro antimicrobial susceptibility profile of the isolates was assessed as well. A total of 213 bacterial and 20 fungal microorganisms were identified. The most prevalent bacterial agents diagnosed by microbiological culture and mass spectrometry were Staphylococcus pseudintermedius (40/100=40%), α-hemolytic Streptococcus (37/100=37%), and Pasteurella stomatis (22/100=22%), whereas the most common genus of fungi was Aspergillus (10/100=10%). Imipenem (207/213=97.2%), ceftiofur (196/213=... (Complete abstract click electronic access below) / Mestre

The American bully is a relatively new breed of dog, originating in United States of America and has in recent years increased in popularity in Sweden. It is an extension of the American Pitbull terrier, and is often described by breeders and owners as a gentle and friendly companion dog. The purpose of this study was to evaluate the breed and its description by reviewing legal cases and advertisements. I also reviewed information from the Swedish Board of Agriculture regarding registrations of the breed to examine how common it is in Sweden. The American Bully breed has increased with around 1000 dogs per year, and in 2023 there were 5538 dogs registered in as dogs of American Bully breed. Dogs of American Bully breed change owners over eight times more often than dogs in general in Sweden, making the breed overrepresented when it comes to ownership changes. The breed is the second most common dog breed to change ownership in the dog registry, with only mixed breed having more ownership changes. Changed circumstances in the family was the most commonly reason given in advertisements for rehoming of an American Bully dog. Breeders of American Bully describe their dogs with regard of their appearance and bloodlines instead of mentality and behaviour, and market the breed as an excellent family dog. The results of this study show that dogs of American Bully breed have caused injuries to both adults and children by attacking and biting them seemingly unprovoked. My conclusion of the American Bully breed is that it is a powerful and muscular breed of dog that is wrongly marketed as a lazy companion dog. More studies are needed with regard to the breeds health and behaviour. A breeding program from the American Bully clubs could be a possible way to correct the current problems regarding health and aggressive behaviour in the breed.