A Cross-Sectional Seroepidemiological Study on Infectious Bursal Disease in Backyard Chickens in the Mymensingh District of Bangladesh

Table 2

Frequency distribution of demographic characteristics (N = 460).

Variable	Category	Frequency (n)	Percentage (%)
Location	Mymensingh Sadar	190	41.3
	Fulbaria	90	19.6
	Muktagacha	60	13.0
	Phulpur	70	15.2
	Trishal	50	10.9
Sex	Male	110	23.9
	Female	350	76.1
Age	1–3 weeks	60	13.0
	4–6 weeks	256	55.7
	7–12 weeks	144	31.3
Status of health	Healthy	400	86.9
	Unhealthy	60	13.1
Breed type	Indigenous	400	87.0
	Crossbreed	60	13.0
Source	Home-reared	390	84.8
	Brought-in	70	15.2
Housing system	Free-ranging	300	65.2
	Separate house	160	34.8
Hygienic condition	Good	100	21.7
	Moderate	210	45.7
	Poor	150	32.6