Table 2.

Numbers of samples taken and numbers of birds present on each farm at the beginning of the month of sampling. All samples were negative for subtype H5 influenza. ^a,bsampling on farm 6 was carried out on two farms (a and b) as 16/20 chickens had died on farm a, and it was decided to carry out chicken sampling on a new farm (farm b).

Farm ID	Month	Ducks Sampled / Ducks Present	Chickens Sampled / Chickens Present	Other Birds Present	Feces/Feather Samples Taken
1	Mar 2016	6 / 510	6 / 36	19	6
2	Mar 2016	6 / 15	6 / 170	0	6
3	Mar 2016	12 / 495	0 / 0	0	6
4	Aug 2016	6 / 200	6 / 75	15	6
5	Aug 2016	6 / 25	6 / 113	9	6
6	Aug 2016	6 / 30a	6 / 120b	0a, 53b	6
7	Aug 2016	6 / 6	6 / 566	0	6
8	Aug 2016	6 / 285	6 / 60	4700	6
9	Aug 2016	12 / 70	0 / 8	7	6
10	Nov 2016	6 / 25	6 / 22	0	6
11	Nov 2016	6 / 45	6 / 17	0	6
12	Nov 2016	12 / 58	0 / 0	30	6
13	Nov 2016	6 / 47	6 / 215	0	6
14	Nov 2016	6 / 28	6 / 25	10	6
15	Nov 2016	6 / 120	6 / 110	58	6
16	Jan 2017	12 / 15	0 / 0	14	6
17	Jan 2017	6 / 31	6 / 6	0	6
18	Jan 2017	12 / 18	0 / 0	17	6
19	Jan 2017	6 / 119	6 / 45	2	6
20	Jan 2017	6 / 25	6 / 192	6	6
21	Jan 2017	6 / 87	6 / 262	0	6