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Table 3 Demographic characteristics of sampled poultry farms, Bangladesh, June 2021 to February 2022 (N = 400)

From: Low detection of H5N1 virus in commercial chickens with a low-level of vaccination coverage against H5N1 virus infection in Bangladesh

Characteristics

Vaccinated farms

n (%)

Unvaccinated farms

n (%)

Division wise poultry farms enrollment

 

 Dhaka

25 (13)

25 (13)

 Chattogram

25 (13)

25 (13)

 Sylhet

25 (13)

25 (13)

 Rajshahi

25 (13)

25 (13)

 Khulna

25 (13)

25 (13)

 Barishal

25 (13)

25 (13)

 Rangpur

25 (13)

25 (13)

 Mymensingh

25 (13)

25 (13)

Types of poultry farms

  

 Layer chicken

197 (49)

195 (49)

 Sonali chicken

3 (1)

5 (1)

Farm size

  

 Small (≤ 1000 poultry)

64 (16)

87 (22)

 Medium (1001–2000 poultry)

64 (16)

72 (18)

 Large (> 2000 poultry)

72 (18)

41 (10)

Farm longevity

  

 ≤ 12 months

164 (41)

149 (37)

 13–24 months

35 (9)

47 (12)

 ≥ 25 months

1 (1)

4 (1)

Farming experience by farmers

  

 1–5 years

64 (16)

70 (18)

 6–10 years

66 (17)

73 (18)

 11–20 years

60 (15)

54 (14)

 > 20 years

10 (3)

3 (1)

Average number layer chicken per farms, mean, (SD, range)

2454 (± 3983, 200-50000)

1550 (± 1412, 71-10000)

Average number Sonali chicken per farms, mean, (SD, range)

1683 (± 1013, 180–3000)

1316 (± 1176, 550–2500)