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

Table 4

Number (%) of farms with various scores on biosecurity in relation to occurrence of disease outbreak^#.

Biosecurity score	Number (%) of farms
	All responding farms	Farms with disease outbreak
<0.5	0	0
0.50–0.70	11 (17.5)	9 (81.8)
0.71–0.90	45 (71.4)	24 (53.3)
0.91–1.00	7 (11.1)	3 (42.9)
<0.5–1.00	63 (100)	36 (57.1)

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.
^#Inverse relationship between biosecurity scores in first column with percentages of disease outbreak in third column is computed to give a correlation coefficient of −0.97.