Umbilical outpouchings in Danish piglets and weaners: prevalence and clinical characteristics—a cross-sectional study at herd level

Table 5 Categorisation of UO size and ulcers into categories—small, medium & large

	Umbilical outpouching category			Ulcer size category
	Small	Medium	Large	Small	Medium	Large
Piglets	4 cm	5–6 cm	≥ 7 cm	2 cm	3–4 cm	≥ 5 cm
Weaners	4–7 cm	8–10 cm	≥ 11 cm	2–3 cm	4–7 cm	≥ 8 cm

The outpouchings are classified into one category based on the sum of their height and width in cm, the same applies to ulcer size where length and width are used

ISSN: 2055-5660