Table 4.

Global and regional average scores for the different subcategories of biosecurity.

Subcategory	Global average	Broiler
		Overall, average	t-test, P value
External biosecurity
Purchase of 1-day-old chicks	56	77.6	<0.001
Transport of live animals	61	55.6	<0.001
Feed and water supply	58	65.6	<0.001
Removal of manure and dead animals	59	59.3	0.847
Entrance of visitors and personnel	69	68.5	0.666
Supply of materials	56	89.1	<0.001
Infra and biological vectors	77	71.5	<0.001
Location	65	64.7	0.802
Subtotal	63	68.5	<0.001
Internal biosecurity
Disease management	73	67.9	<0.001
Cleaning and disinfection	61	74.2	<0.001
Materials and measures between compartments	59	95.1	<0.001
Subtotal	64	77.2	<0.001
Total	64	71.2	<0.001