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<p>Animal protein trade increase underscores the need for robust sanitary systems in complex global supply chains. We analysed 15,797 microbiological records of enumerated Aerobic plate counts (APC) and generic <i>E. coli</i> from meat consignments at South African ports of entry. Data were log<sub>10</sub>-transformed and differences by country of origin and product type were tested with one-way ANOVA followed by Tukey’s post-hoc test (P &lt; 0.05). Pearson correlations, statistical process control (SPC) charts, and process capability indices (Cp, Cpk, Cpm) were calculated relative to upper specification limits (APC: 1 × 10<sup>6</sup> CFU/g; <i>E. coli</i>: 1 × 10<sup>3</sup> CFU/g). Significant country-level differences in mean APC and <i>E. coli</i> were pronounced in poultry (p &lt; 0.05). Moderate positive correlations between APC and <i>E. coli</i> were observed in poultry (r = 0.50), beef (r = 0.32), turkey (r = 0.27), and pork (r = 0.24), but non-significant in ovine meat (r = 0.06). SPC revealed upstream processes lacking statistical control, with multiple points outside ±3σ limits indicating special-cause variation. Capability was marginal (high Cp but low Cpk/Cpm) with poultry showing better Cpk than beef. APC and <i>E. coli</i> are effective complementary hygiene indicators, particularly for poultry and beef and SPC analysis of port-of-entry data uncovers supply-chain instabilities.</p>

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Insights on meat hygiene quality in global trade

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月20日

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  • Kudakwashe Magwedere,
  • George Alex Thopil

摘要

Animal protein trade increase underscores the need for robust sanitary systems in complex global supply chains. We analysed 15,797 microbiological records of enumerated Aerobic plate counts (APC) and generic E. coli from meat consignments at South African ports of entry. Data were log10-transformed and differences by country of origin and product type were tested with one-way ANOVA followed by Tukey’s post-hoc test (P < 0.05). Pearson correlations, statistical process control (SPC) charts, and process capability indices (Cp, Cpk, Cpm) were calculated relative to upper specification limits (APC: 1 × 106 CFU/g; E. coli: 1 × 103 CFU/g). Significant country-level differences in mean APC and E. coli were pronounced in poultry (p < 0.05). Moderate positive correlations between APC and E. coli were observed in poultry (r = 0.50), beef (r = 0.32), turkey (r = 0.27), and pork (r = 0.24), but non-significant in ovine meat (r = 0.06). SPC revealed upstream processes lacking statistical control, with multiple points outside ±3σ limits indicating special-cause variation. Capability was marginal (high Cp but low Cpk/Cpm) with poultry showing better Cpk than beef. APC and E. coli are effective complementary hygiene indicators, particularly for poultry and beef and SPC analysis of port-of-entry data uncovers supply-chain instabilities.