Table 1.

Information about breed, sex, age and housing in healthy dogs (n=200)

Parameter	Result
Breed*	103 (51·5%) mixed breed dogs
	17 (8·5%) huskies†
	9 (4·9%) dachshunds
	8 (4·0%) Australian shepherds
	7 (3·5%) Rottweilers
	6 (3·0%) golden retrievers
	6 (3·0%) Greyhounds
	5 (2·5%) beagles
	4 (2·0%) German shepherd dogs
Sex	101 (50·5%) female or female/spayed
	99 (49·5%) male or male/neutered
Age	Mean age 5·2 years; median age four years (range one month to 19 years)
Number of dogs sampled per household‡	158 single dogs
	5×2 dogs
	2×3 dogs
	1×4 dogs
	1×5 dogs
	1×17 dogs†

^* Breed only listed if accounts for ≥2 per cent of study population

^† All Huskies derived from the same household from a private breeding colony

^‡ Number of dogs sampled per household did not necessarily equal absolute number of dogs per household