Table 1 Monthly isolations of NDVs from cloacal swabs of multiple avian species at live bird markets for wholesale in Eastern China during May 2008 to April 2012
Year | Positive/sample | Total | Isolation rate (%) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec | |||
2008 | - | - | - | - | 4/200 | 8/180 | 1/90 | 1/100 | 10/200 | 0/100 | 4/100 | 4/130 | 32/1100 | 2.91 |
2009 | 8/200 | 8/180 | 5/100 | 5/140 | 1/100 | 5/130 | 0/130 | 1/160 | 2/130 | 7/200 | 4/110 | 5/120 | 51/1700 | 3.00 |
2010 | 9/160 | 7/150 | 11/180 | 5/140 | 1/100 | 5/130 | 0/140 | 1/140 | 2/180 | 7/190 | 4/150 | 5/140 | 57/1800 | 3.16 |
2011 | 11/180 | 5/160 | 8/180 | 7/140 | 5/100 | 2/130 | 0/150 | 0/130 | 4/150 | 5/160 | 2/175 | 7/145 | 56/1800 | 3.11 |
2012 | 15/200 | 13/180 | 10/150 | 10/176 | - | - | - | - | - | - | - | - | 40/706 | 5.67 |
total | 43/740 | 33/670 | 34/610 | 27/596 | 11/500 | 20/570 | 1/510 | 3/530 | 18/660 | 19/650 | 14/535 | 21/535 | ||
Isolation Rate (%) | 5.81 | 4.93 | 5.57 | 4.53 | 2.20 | 3.51 | 0.200 | 0.57 | 2.73 | 2.92 | 2.62 | 3.93 | 3.32 | |