Foot-and mouth disease (FMD) is an animal disease that generates many economic impacts and sanctions on the international market. In 2018, Brazil, the world's largest beef exporter, had the recognition by World Organization for Animal Health (OIE) as a country free of FMD with vaccination and proposed to withdraw FMD vaccination throughout the country, based on a 10-year schedule, beginning in 2019. Therefore, Brazil needs studies to help the decision-making process, particularly regarding the availability of resources for strengthening of official animal health services. The state of Mato Grosso do Sul (MS) was chosen to be analyzed for three reasons: the size of its herd, the economic importance of its livestock and its location-which lies on the border with Paraguay and Bolivia. The current study adopted the Social Network Analysis and performed an exploratory analysis of cattle movement in MS. The most central municipalities in the networks were identified and they can be seen as crucial in strategies to monitor animal movement and to control outbreaks. The cattle movement networks demonstrated to be strongly connected, implying a high-speed potential FMD diffusion, in case of reintroduction. In a second stage, we performed an exploratory analysis of animal movement within the state, assuming distinct points in time for the identification of animal origin. The results of the analysis underlined the need and relevance of investing in animal control, sanitary education for producers and equipment and technologies to assist in the early detection, diagnosis, and eradication of outbreaks in a fast and efficient manner, preventing a possible outbreak from spreading to other regions.

Foot-and-mouth disease (FMD) outbreaks in cloven-hoofed animals cause substantial economic impacts because of animal depopulation, increased government spending on control, eradication and surveillance measures, and bans on international trade. This study employs a computable general equilibrium (CGE) modeling framework in tandem with results from an epidemiological model to evaluate the economic consequences of a hypothetical FMD outbreak in Brazil. FMD-induced productivity losses and restrictions on international trade of livestock and meat products are applied as exogenous shocks in the economic model. Results show increased bilateral trade of beef and pork, mainly in South America, North Africa, and Russia. Simulated welfare losses in Brazil range from ${\$}$132 million to ${\$}$271 million depending on the severity of trade restrictions imposed. This study expands the rich literature on animal health economics. Results highlight the importance of maintaining the health of Brazilian herds, especially when considering Brazil's position as one of the main meat suppliers in the international market.

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Effects of foot-and-mouth disease on the Brazilian economy: a computable general equilibrium analysis / Taís Cristina de Menezes. --Piracicaba, 2022. p.Tese (Doutorado) --USP / Escola Superior de Agricultura "Luiz de Queiroz".1. Doenças animais 2. Febre aftosa 3. Modelo de equilíbrio geral computável 4. Impactos economômicos . I. Título

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