Tuberculosis in cattle: the results of the four-area project

Table 3 Changes in the numbers of herd restrictions between the pre-study period and the study period, by restriction type and county

		Reference areas			Removal areas
County	Herds at risk^a, and restriction type^b	Pre-study period^c	Study period^d	Change (%)	Pre-study period^c	Study period^d	Change (%)
Cork	Herds at risk	278	282		300	294
	Restriction type
	Confirmed	112	130	16%	158	66	-58%
	Major	62	68	10%	100	32	-68%
	Non-confirmed	41	59	44%	42	49	17%
Donegal	Herds at risk	391	371		406	391
	Restriction type
	Confirmed	30	36	20%	73	14	-81%
	Major	14	14	0%	29	1	-97%
	Non-confirmed	28	46	64%	59	23	-61%
Kilkenny	Herds at risk	244	234		244	240
	Restriction type
	Confirmed	82	100	22%	82	34	-59%
	Major	28	42	50%	49	9	-82%
	Non-confirmed	44	68	55%	55	56	2%
Monaghan	Herds at risk	568	583		713	720
	Restriction type
	Confirmed	222	229	3%	224	108	-52%
	Major	88	110	25%	82	25	-70%
	Non-confirmed	123	73	-41%	108	61	-44%

^a The number of herds tested at least once during the period of interest
^b Definitions of the restriction types are described in the text. Major restrictions are a subgroup of confirmed restrictions
^c The pre-study period: September 1, 1992 to August 31, 1997
^d The study period: September 1, 1997 to August 31, 2002

ISSN: 2046-0481