Epidemiology of foot-and-mouth disease in Landhi Dairy Colony, Pakistan, the world largest Buffalo colony

Table 1 Prevalence for each FMDV infection positive found farm per month in relation to the farm population

Month [total number of farms sampled]	Farm ID.	total farm Population	sampled	infected	Prevalence	l. CI	u. CI
April 2006 [18]	3	1500	13	1	8%	0%	22%
	7	-	9	6	67%	36%	97%
	8	250	9	1	11%	0%	32%
	11	360	9	1	11%	0%	32%
	15	200	9	1	11%	0%	32%
May 2006 [7]	3	193	6	6	100%	100%	100%
August 2006 [9]	1	197	3	3	100%	100%	100%
	2	131	3	1	33%	0%	87%
	3	46	3	3	100%	100%	100%
	4	140	3	2	67%	13%	100%
	5	143	3	2	67%	13%	100%
	6	370	3	1	33%	0%	87%
	7	58	3	1	33%	0%	87%
	8	55	3	1	33%	0%	87%
	9	63	3	3	100%	100%	100%
September 2006 [19]	5	145	6	4	67%	29%	104%
	6	145	12	1	8%	0%	24%
	7	110	9	2	22%	0%	49%
	10	190	9	1	11%	0%	32%
	12	70	9	1	11%	0%	32%
October 2006 [5]	3	150	5	1	20%	0%	55%
November 2006 [5]	5	260	6	1	17%	0%	46%
December 2006 [5]	2	-	5	1	20%	0%	55%
	3	700	6	6	100%	100%	100%
	4	90	6	4	67%	29%	100%
	5	196	5	3	60%	17%	100%
January 2007 [17]	2	120	10	2	20%	0%	45%
	7	107	9	1	11%	0%	32%
	8	143	20	8	40%	19%	61%
	9	272	10	1	10%	0%	29%
	11	111	9	1	11%	0%	32%
	13	214	10	1	10%	0%	29%
	17	505	9	1	11%	0%	32%
February 2007 [5]	1	266	6	1	17%	0%	46%
	2	162	6	5	83%	54%	100%
	3	124	6	4	67%	29%	100%
	4	372	6	2	33%	0%	71%
	5	266	6	5	83%	54%	100%
March 2007 [5]	1	150	6	5	83%	54%	100%
	2	175	6	3	50%	10%	90%
	3	65	6	2	33%	0%	71%
	4	80	6	2	33%	0%	71%
	5	122	6	3	50%	10%	90%
April 2007 [17]	1	205	9	1	11%	0%	32%
	12	145	9	2	22%	0%	49%
	15	122	9	1	11%	0%	32%

Confidence intervals were calculated for a normal distributed population without finite population correction factor. This means that some confidence intervals related to very small sample size or extreme point estimates are doubtful (shown in grey).

ISSN: 1743-422X