The Shanxi Provincial Department of Agriculture and Rural Affairs in China has developed a '2024 Compulsory Immunization Plan for Animal Diseases' to maintain herd immunity for several diseases at over 90% throughout the year. The plan includes training, improving breeding immunity records, implementing an information reporting system, and carrying out immune effect assessments. The 'strike first and make up later' policy will be fully implemented in large-scale breeding farms by 2024. The article also lists various strains of vaccines for diseases like Swine Fever and Newcastle disease.