Table 6.

Observation of the owners: frequency of diseases or symptoms affecting the digestive system (n = 255).

Frequency	Gastrointestinal Parasites	Diarrhoea	Colic	Dental Issues
never	34.9% (n = 89)	45.5% (n = 116)	63.1% (n = 161)	45.5% (n = 116)
<1 time a year	29.0% (n = 74)	24.3% (n = 62)	11.4% (n = 29)	26.3% (n = 67)
1–2 times a year	19.6% (n = 50)	12.2% (n = 31)	3.5% (n = 9)	7.8% (n = 20)
up to 10 times a year	2.4% (n = 6)	0.4% (n = 1)	0.0% (n = 0)	0.4% (n = 1)
>10 times a year	0.8% (n = 2)	0.0% (n = 0)	0.4% (n = 1)	0.0% (n = 0)
no information	13.3% (n = 34)	17.6% (n = 45)	21.6% (n = 55)	20.0% (n = 51)