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paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2026-06 Pages: 144 Publisher: China Agriculture Press This book covers all aspects of the comprehensive biosafety control technology system for modern pig farms. including site selection and layout. management of personnel. vehicles and materials entry and exit. environmental sanitation and disinfection. as well as operating procedures (SOPs). technical standards and emergency plans. It details control measures and precautions based on the biosafety color.…