Table 2.
Sero-prevalence of AIV type A and subtype H5N1 in semi-scavenging domestic ducks during the period from December’2009 to February’2012
| Winter season | Division | Wintering sites | Total no. of sample tested by iELISA | AIV type A positive sample | Sero-prevalence (%) of AIV type A | AIV H5N1 positive sample | Sero-prevalence (%) of AIV H5N1 | Seasonal sero-prevalence (%) of AIV type A |
|---|---|---|---|---|---|---|---|---|
| |
Sylhet |
Hakaluki Haor |
450 |
213 |
47.33 |
01 |
0.22 |
43.89 |
| Dec. 2009 to Feb. 2010 |
|
Tanguar Haor |
225 |
95 |
42.22 |
01 |
0.44 |
|
| |
Dhaka |
Jahangirnagar Lake |
225 |
87 |
38.67 |
00 |
00 |
|
| |
Sylhet |
Hakaluki Haor |
300 |
121 |
40.33 |
00 |
00 |
38.50 |
| Dec. 2010 to Feb. 2011 |
|
Tanguar Haor |
150 |
58 |
38.67 |
00 |
00 |
|
| |
Dhaka |
Jahangirnagar Lake |
150 |
52 |
34.67 |
00 |
00 |
|
| |
Sylhet |
Hakaluki Haor |
300 |
113 |
37.67 |
00 |
00 |
34.83 |
| Dec. 2011 to Feb. 2012 |
|
Tanguar Haor |
150 |
53 |
35.33 |
00 |
00 |
|
| |
Dhaka |
Jahangirnagar Lake |
150 |
43 |
28.67 |
00 |
00 |
|
| Total | 2100 | 835 | 39.76 | 02 | 0.09 |
A total of 2100 sera samples were tested to determine the antibody of AIV type A and subtype H5N1 by indirect ELISA.