Table 5.

Percentages of steer cohorts within net return ($/head) categories^a

	600 lb Placement weight				800 lb Placement weight
	Summer (Apr–Sept)		Winter (Oct–Mar)		Spring (Apr–Sept)		Winter (Oct–Mar)
Net returns ($/head)	Upper	Lower	Upper	Lower	Upper	Lower	Upper	Lower
Metaphylaxis
(-∞,-252)	0.00	1.64	0.00	4.40	0.00	0.04	0.00	0.04
(-251, -51)	1.64	37.56	3.64	40.32	0.08	41.72	0.00	76.64
(-50, 0)	34.12	40.56	34.44	33.12	41.68	51.68	47.80	23.00
(0, 50)	64.24	20.24	61.92	22.16	58.24	6.56	52.20	0.32
(>51)	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
No metaphylaxis
(-∞,-252)	7.08	7.08	12.56	12.56	2.16	2.16	4.68	4.68
(-251, -51)	35.64	35.64	34.56	34.56	44.04	44.04	79.68	79.68
(-50, 0)	24.24	24.24	21.00	21.00	34.12	34.12	14.56	14.56
(0, 50)	33.04	33.04	28.16	28.16	19.68	19.68	1.08	1.08
(51, +∞)	0.00	0.00	3.72	3.72	0.00	0.00	0.00	0.00

^aAntimicrobials used for metaphylaxis are categorized into “upper” and “lower” tiers based on Abell et al. (2017) who categorized them based on odds ratio (OR) confidence intervals.

Source: Author’s calculations.