Worm control practice against gastro-intestinal parasites in Norwegian sheep and goat flocks

Table 3 Distribution of flocks according to the annual number of treatments against gastro-intestinal parasites in lambs and ewes in the different areas (percentage) of Norway.

Number of treatments		n	Coastal	Inland	Northern	Total
Lambs	1	144	13.9^a	33.0	47.6	26.5
	2	174	19.5^a	44.3	47.6	32.0
	3	87	20.7^a	14.7	3.6	16.0
	>3	139	45.9^a	8.0	1.2	25.5
	Mean^b		3.4	2.0	1.3	2.5
Ewes	1	202	24.3	38.9	51.0	36.4
	2	246	44.7	52.2	43.8	44.3
	3	72	20.4^a	6.7	5.2	13.0
	>3	35	10.6^a	2.2	0.0	6.3
	Mean		2.2^a	1.6	1.5	1.9

The mean number is also calculated for each area.
^a superscripts indicate p < 0.001 (Kruskal-Wallis) between this area compared with the other areas in the same line.
^b superscripts indicate p < 0.001 (Kruskal-Wallis) between all three areas.

ISSN: 1751-0147