Regional AlertDomestic pig farmers effort to prevent spread of African swine fever in Vietnam November 25, 2023By MBDS Team20 Nov 2023. The Ministry of Agriculture and Rural Development directed the veterinary force to closely monitor the development of ASF, proactively instruct farmers to increase regular monitoring of the health of pig herds and application of biosecurity measures in farming, hygiene and disinfection measures with lime powder and chemicals in livestock areas.