Table 1.
Total number of samples collected and IAV virus isolates recovered from individual bird species by study site location in Missouri, United States, 2005–2013.
| Species | Location | Total (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | I | ||
| American black duck × mallard hybrid (Anas rubripes × platy) | — | — | — | — | 0/1 | — | — | — | 0/1 (0) | |
| American black duck (Anas rubripes) | — | — | — | — | — | 0/2 | 0/1 | — | — | 0/3 (0) |
| American green-winged teal (Anas crecca carolinensis) | 0/10 | — | — | — | — | 6/305 | 2/133 | — | — | 8/448 (1.8) |
| American coot (Fulica americana) | 0/1 | — | — | — | — | 0/7 | — | — | — | 0/8 (0) |
| American widgeon (Anas americana) | 0/2 | — | — | — | — | 1/33 | 1/9 | — | — | 2/44 (4.5) |
| Blue-winged teal (Anas discors) | — | — | — | 0/1 | 34/374 | 0/5 | — | 1/8 | 35/388 (9.0) | |
| Bufflehead (Bucephala albeola) | — | — | — | — | — | 0/3 | 1/1 | — | — | 1/4 (25) |
| Canada goose (Branta canadensis) | — | — | — | — | — | 0/1 | 0/9 | — | — | 0/10 (0) |
| Canvasback (Aythya valisineria) | — | — | — | — | — | 0/9 | — | — | — | 0/9 (0) |
| Common loon (Gavia immer) | — | — | — | — | — | — | 0/1 | — | — | 0/1 (0) |
| Gadwall (Anas strepera) | 0/47 | — | — | — | — | 3/411 | 0/86 | — | — | 3/544 (0.6) |
| Greater white-fronted goose (Anser albifrons) | 0/2 | — | — | — | — | 0/2 | — | — | — | 0/4 (0) |
| Hooded merganser (Lophodytes cucullatus) | 0/1 | — | — | — | — | 0/5 | 0/1 | — | — | 0/7 (0) |
| Lesser scaup (Aythya affinis) | — | — | — | — | — | 0/14 | 0/4 | — | — | 0/18 (0) |
| Lesser snow goose (Chen caerulescens caerulescens) | — | — | — | — | — | 0/2 | — | — | — | 0/2 (0) |
| Mallard (Anas platyrhynchos) | 3/104 | 0/31 | 21/885 | 9/576 | — | — | 33/1596 (2.1) | |||
| Northern pintail (Anas acuta) | — | 0/2 | 0/48 | 1/23 | — | — | 1/73 (1.4) | |||
| Northern shoveler (Anas clypeata) | 0/10 | — | — | — | — | 17/313 | 3/48 | — | — | 20/371 (5.4) |
| Redhead (Aythya americana) | — | — | — | — | — | 0/10 | 0/2 | — | — | 0/12 (0) |
| Ring-necked duck (Aythya collaris) | 0/7 | — | — | — | — | 0/55 | 1/12 | — | — | 1/74 (1.4) |
| Ross’s goose (Chen rossii) | — | — | — | — | 0/28 | — | — | 0/3 | — | 0/31 (0) |
| Ruddy duck (Oxyura jamaicensis) | — | — | — | — | — | 0/1 | — | — | — | 0/1 (0) |
| Snow goose (Chen caerulescens) | — | 0/32 | 1/80 | — | 0/98 | 0/4 | 0/7 | 0/3 | — | 1/224 (0.4) |
| Unknown | — | — | — | — | — | 2/8 | — | — | — | 2/8 (25) |
| Wood duck (Aix sponsa) | 1/39 | — | — | — | — | 0/40 | 0/24 | — | — | 1/103 (1) |
| Total | 4/223 | 0/32 | 1/80 | 0/34 | 0/126 | 84/2533 | 18/942 | 0/6 | 1/8 | 108/3984 |
| Percent recovery | 1.8 | 0 | 1.3 | 0 | 0 | 3.3 | 1.9 | 0 | 12.5 | 2.7 |