Prevalence of Swimming Puppy Syndrome in 2,443 Puppies during the Years 2006–2012 in Thailand

Table 1

Number of puppies in each breed included in the study.

Breed	Total	Male	Female	Number of litters	Number of puppies/litter (mean ± SD)
Small breed (<10 kg)
Chihuahua	256	125	131	111	2±1
Dachshund	18	8	10	5	4±2
Jack Russell Terrier*	19	15	4	6	3±1
Pekingese	58	27	31	22	3±1
Pomeranian	293	131	162	130	2±1
Poodle	82	45	37	26	3±1
Pug	77	31	46	23	3±1
Shih Tzu	265	123	142	76	3±1
Yorkshire Terrier	165	74	91	79	2±1
Medium breed (10–25 kg)
Beagle*	60	36	24	13	5±2
Bulldog (English)	48	25	23	14	3±2
French Bulldog	53	23	30	14	4±1
Crossbreed	122	48	74	21	6±4
Shetland Sheepdog*	11	5	6	2	6±1
Thai Bangkaew	85	49	36	13	7±2
Thai Ridgeback*	13	5	8	2	7±2
Large breed (25–40 kg)
American Pit Bull Terrier*	71	32	39	9	8±2
German Shepherd*	76	42	34	11	7±2
Golden Retriever	217	103	114	36	6±3
Labrador Retriever	213	115	98	36	6±2
Rottweiler*	109	48	61	16	7±3
Siberian Husky	132	73	59	28	5±2
Total	2,443	1,183	1,260	=	—

∗Breed was not affected with swimming puppy syndrome.