Appraisal of Chicken Production with Associated Biosecurity Practices in Commercial Poultry Farms Located in Jos, Nigeria

Table 3

Effects of reasons for keeping poultry and number of birds per farm on biosecurity scores.

	Biosecurity score (number of farms^‡)
Reason for keeping poultry
Commercial	0.75 ± 0.10 (32)
Family use only (noncommercial)	0.82 ± 0.07 (3)
Both (semicommercial)	0.87 ± 0.05 (28)
Number of birds per farm
<200	0.80 ± 0.07 (7)
200–500	0.81 ± 0.11 (23)
501–1000	0.79 ± 0.13 (15)
1001–2000	0.80 ± 0.10 (12)
2001–10000	0.85 ± 0.03 (4)
>10000	0.88 ± 0.02 (2)

Unmatched superscripts on means ± standard deviations indicate significant () difference in the column for each set of variables.
Average score on correct responses on biosecurity indicators on a farm, where incorrect and correct scores are 0 and 1, respectively.
Farms with ≥ 34 responses on biosecurity ().