Table 1.

One‐year (2013) period prevalence of demodicosis for common and commonly‐affected dog breeds under primary veterinary care in the UK

	<2 years				>4 years				All ages
Breed	Breed count (%)	No. (%) cases	Breed prevalence %	95% CI	Breed count (%)	No. (%) cases	Breed prevalence %	95% CI	Breed count (%)	No. (%) cases	Breed prevalence %	95% CI
British bulldog	1274 (1.0)	47 (7.7)	3.56	2.72 to 4.88	1149 (0.5)	1 (0.9)	0.09	0.00 to 0.48	3374 (0.7)	51 (6.5)	1.51	1.13 to 1.98
Staffordshire bull terrier	8.746 (7.0)	191 (31.2)	2.14	1.89 to 2.51	16,306 (7.1)	5 (4.3)	0.03	0.01 to 0.07	32,635 (7.2)	214 (27.2)	0.66	0.57 to 0.75
Pug	2566 (2.0)	50 (8.2)	1.91	1.44 to 2.56	1362 (0.6)	2 (1.7)	0.15	0.02 to 0.53	5376 (1.2)	53 (6.7)	0.99	0.74 to 1.29
French bulldog	1564 (1.2)	30 (4.9)	1.88	1.30 to 2.73	295 (0.1)	0 (0.0)	0.00	0.00 to 1.24	2397 (0.5)	31 (3.9)	1.29	0.88 to 1.83
Chinese shar‐pei	750 (0.6)	14 (2.3)	1.83	1.02 to 3.11	689 (0.3)	4 (3.4)	0.58	0.16 to 1.48	2034 (0.5)	18 (2.3)	0.88	0.53 to 1.40
Dogue de Bordeaux	720 (0.6)	13 (2.1)	1.77	0.96 to 3.07	589 (0.3)	1 (0.9)	0.17	0.00 to 0.94	1858 (0.4)	17 (2.2)	0.91	0.53 to 1.46
Boxer	1261 (1.0)	9 (1.5)	0.71	0.33 to 1.35	3794 (1.7)	4 (3.4)	0.11	0.03 to 0.27	6288 (1.4)	14 (1.8)	0.22	0.12 to 0.37
Border terrier	1215 (1.0)	5 (0.8)	0.41	0.13 to 0.96	3069 (1.3)	3 (2.6)	0.10	0.02 to 0.29	5449 (1.2)	8 (1.0)	0.15	0.06 to 0.29
Crossbreed	35,460 (28.2)	132 (21.5)	0.37	0.31 to 0.44	51,874 (22.7)	14 (12.0)	0.03	0.01 to 0.05	112,777 (24.8)	157 (19.9)	0.14	0.12 to 0.16
Rottweiler	1346 (1.1)	5 (0.8)	0.37	0.12 to 0.87	2916 (1.3)	2 (1.7)	0.07	0.01 to 0.25	5321 (1.2)	7 (0.9)	0.13	0.05 to 0.27
Cocker spaniel	4239 (3.4)	13 (2.1)	0.31	0.16 to 0.52	8053 (3.5)	2 (1.7)	0.02	0.00 to 0.09	15,827 (3.5)	18 (2.3)	0.11	0.07 to 0.18
Border collie	2708 (2.2)	7 (1.1)	0.26	0.10 to 0.53	7195 (3.2)	0 (0.0)	0.00	0.00 to 0.05	12,268 (2.7)	7 (0.9)	0.06	0.02 to 0.12
Others	22,883 (18.2)	48 (7.8)	0.21	0.15 to 0.28	44,357 (19.4)	16 (13.7)	0.04	0.02 to 0.06	86,548 (19.0)	74 (9.4)	0.09	0.07 to 0.11
Springer spaniel	1577 (1.3)	3 (0.5)	0.19	0.04 to 0.55	3444 (1.5)	1 (0.9)	0.03	0.00 to 0.16	6346 (1.4)	4 (0.5)	0.06	0.02 to 0.16
Jack Russell terrier	5720 (4.6)	10 (1.6)	0.17	0.08 to 0.32	16,208 (7.1)	2 (1.7)	0.01	0.00 to 0.05	27,691 (6.1)	12 (1.5)	0.04	0.02 to 0.08
Chihuahua	5716 (4.5)	9 (1.5)	0.16	0.07 to 0.30	2839 (1.2)	0 (0.0)	0.00	0.00 to 0.13	11,782 (2.6)	9 (1.1)	0.08	0.03 to 0.14
Shih tzu	5526 (4.4)	9 (1.5)	0.16	0.07 to 0.31	5561 (2.4)	23 (19.7)	0.41	0.26 to 0.62	15,038 (3.3)	34 (4.3)	0.23	0.16 to 0.32
German shepherd dog	2947 (2.3)	4 (0.7)	0.14	0.04 to 0.35	6966 (3.1)	5 (4.3)	0.07	0.02 to 0.17	12,520 (2.8)	9 (1.1)	0.07	0.03 to 0.14
Labrador retriever	7375 (5.9)	9 (1.5)	0.12	0.06 to 0.23	19,091 (8.4)	4 (3.4)	0.02	0.00 to 0.05	33,321 (7.3)	15 (1.9)	0.05	0.02 to 0.07
Cavalier King Charles spaniel	2075 (1.7)	2 (0.3)	0.10	0.01 to 0.35	5876 (2.6)	2 (1.7)	0.03	0.00 to 0.12	10,143 (2.2)	5 (0.6)	0.05	0.03 to 0.07
West Highland white Terrier	1709 (1.4)	1 (0.2)	0.06	0.00 to 0.33	8485 (3.7)	19 (16.2)	0.22	0.13 to 0.35	12,017 (2.6)	20 (2.5)	0.17	0.10 to 0.26
Lhasa apso	1969 (1.6)	1 (0.2)	0.05	0.00 to 0.28	3222 (1.4)	1 (0.9)	0.03	0.00 to 0.17	6840 (1.5)	2 (0.3)	0.03	0.00 to 0.11
Bichon	2035 (1.6)	1 (0.2)	0.05	0.00 to 0.27	2825 (1.2)	0 (0.0)	0.00	0.00 to 0.13	6607 (1.5)	1 (0.1)	0.02	0.00 to 0.08
Golden retriever	994 (0.8)	0 (0.0)	0.00	0.00 to 0.37	3752 (1.6)	3 (2.6)	0.08	0.02 to 0.23	5670 (1.2)	4 (0.5)	0.07	0.02 to 0.18
Yorkshire terrier	3435 (2.7)	0 (0.0)	0.00	0.00 to 0.11	8767 (3.8)	3 (2.6)	0.03	0.01 to 0.10	15,426 (3.4)	4 (0.5)	0.03	0.01 to 0.07

CI Confidence interval

Results are shown for all ages, dogs aged under 2 years and dogs aged over 4 years