Table 1.

Swelling and healing score of band and knife castrated Angus crossbreed calves castrated at 1 wk of age from d 7 post-castration until the end of the study (d 56)

	Treatment1
	BA			KN			P-value2
	N	Median	95% FCL3	N	Median	95% FCL3
Swelling score
4	—	—	—	—	—	—	—
3	6	28	14–28	5	14	14	0.01
2	4	28	28–35	2	7	7	0.06
1	23	7	7–42	21	7	7–21	0.34
0	9	42	35–56	21	28	28–49	<0.01
Healing score
1	23	7	7	8	7	7	0.99
2	21	14	14–21	22	7	7–14	<0.001
3	20	28	14–42	15	21	21–35	0.07
4	21	35	21–56	20	28	28–49	0.01
5	9	42	42–56	20	49	35–56	0.97

¹BA = calves castrated with rubber rings; KN = calves castrated with a Newberry knife.

² P-value = castration effect.

³ n = number of animals observed at each score; median = median days to reach each healing score relative to day of castration; FCL = 95% confidence limits distribution free of the days to reach each healing score.