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Financial impacts of priority swine diseases to pig farmers in Red River and Mekong River delta, Vietnam

Pham T.T.H., Antoine-Moussiaux N., Grosbois V., Moula N., Truong D.B., Phan T.D., Vu D.T., Trinh T.Q., Vu C.C., Rukkwamsuk T., Peyre M.I.. 2017. Transboundary and Emerging Diseases, 64 (4) : p. 1168-1177.

DOI: 10.1111/tbed.12482

A study was conducted between May 2013 and August 2014 in three provinces of Vietnam to investigate financial impacts of swine diseases in pig holdings in 2010¿2013. The aim of the study was to quantify the costs of swine diseases at producer level in order to understand swine disease priority for monitoring at local level. Financial impacts of porcine reproductive and respiratory syndrome (PRRS), foot and mouth disease (FMD), and epidemic diarrhoea were assessed for 162 pig holders in two Red River Delta provinces and in one Mekong River Delta province, using data on pig production and swine disease outbreaks at farms. Losses incurred by swine diseases were estimated, including direct losses due to mortality (100% market value of pig before disease onset) and morbidity (abortion, delay of finishing stage), and indirect losses due to control costs (treatment, improving biosecurity and emergency vaccination) and revenue foregone (lower price in case of emergency selling). Financial impacts of swine diseases were expressed as percentage of gross margin of pig holding. The gross margin varied between pig farming groups (P < 0.0001) in the following order: large farm (USD 18 846), fattening farm (USD 7014) and smallholder (USD 2350). The losses per pig holding due to PRRS were the highest: 41% of gross margin for large farm, 38% for fattening farm and 63% for smallholder. Cost incurred by FMD was lower with 19%, 25% and 32% of gross margin of pig holding in large farm, fattening farm and smallholder, respectively. The cost of epidemic diarrhoea was the lowest compared to losses due to PRRS and FMD and accounted for around 10% of gross margin of pig holding in the three pig farming groups. These estimates provided critical elements on swine disease priorities to better inform surveillance and control at both national and local level.

Mots-clés : maladie des animaux; maladie infectieuse; analyse économique; revenu de l'exploitation; marge brute; Évaluation de l'impact; porcin; Élevage; reproduction; typologie; sdrp; fièvre aphteuse; diarrhée; viet nam

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