Sonography of the distal urethra in lambs

Table 2 Mean diameters (in mm) and standard deviations (SD) of the urethra of intact and castrated lambs at different locations (Positions 1–5; see the text for definitions) at the age of 3 weeks and 4 months

Age/castration status	Pos. 1	Pos. 2	Pos. 3	Pos. 4	Pos. 5
3 weeks, all lambs (n = 33)	0.41	0.40	0.44	0.41	0.39
SD	0.08	0.10	0.12	0.10	0.07
4 months, all lambs (n = 33)	0.50	0.47	0.49	0.44	0.48
SD	0.14	0.12	0.12	0.10	0.13
4 months, intact (n = 22)	0.54	0.51	0.52	0.47	0.51
SD	0.14	0.10	0.12	0.10	0.13
4 months, castrated (n = 11)	0.43	0.38	0.43	0.37	0.41
SD	0.09	0.09	0.10	0.06	0.10

ISSN: 1751-0147