Quality Control and Standards Management in the Nigerian Dairy Processing Industry

This study examines quality control systems and standards management in the Nigerian dairy processing industry, assessing compliance levels, quality system adequacy, and improvement needs across the processing value chain. Nigeria's dairy industry has grown significantly driven by urban consumer demand for pasteurised milk and dairy products, but persistent food safety concerns and quality inconsistencies constrain market development and competitiveness. This study uses an industry assessment methodology, auditing quality management systems at 20 registered dairy processing plants in Lagos, Abuja, Kano, and Port Harcourt against SON, NAFDAC, and Codex Alimentarius standards. Quality system dimensions assessed include raw milk receiving standards, pasteurisation process control, cold chain management, microbiological testing, product labelling, and recall procedures. Consumer complaint records and regulatory inspection reports from the past three years are reviewed. Findings reveal that large dairy processors with international technical affiliations show high compliance rates above 80 percent with standard quality management requirements. Small and medium processors, representing 65 percent of the industry by number, show significantly lower compliance, particularly in pasteurisation process validation and cold chain management. Aflatoxin M1 contamination above safe limits is detected in 18 percent of raw milk samples assessed at receiving stage. Consumer complaint analysis shows hygiene and consistency as the most frequently cited quality concerns. The study recommends tiered quality improvement support programmes for small and medium processors and mandatory HACCP implementation requirements for all dairy processors above a minimum throughput threshold.

Keywords: dairy processing, quality control, food safety, Nigeria, HACCP compliance.