Meanings of internal biosecurity in English

In the internal biosecurity category, materials and measures between compartments had the highest mean score.

Low to negligible correlations between external and internal biosecurity were seen among layer farms except for the province of Tarlac.

This was also true for the external and internal biosecurity scores of the province, with mean scores of 72.1 and 80.1%, respectively.

The overall biosecurity score of broiler farms in Central Luzon was 71.2%, with average external and internal biosecurity scores of 68.5 and 77.2%, respectively.