Table 1. Clinical signs observed for all A. marginale vaccine study groups.

		Steer number	Clinical Signs Observed
Treatment Group	Adjuvant Only	4493	• Inappetence (D23, 24, 27 PC)
		4496	• Fever (104.6°F—D25 PC) • Inappetence (D27 PC)
		HH6	• Fever (104°F–D27 PC) • Lethargy & Inappetence (D28 –D30 PC) • Pale mucous membranes, Thin and watery blood, Jaundice onset (D29 PC) • Animal euthanized prior to study completion–condition was not improving
	Whole Cell Antigen Vaccine	4491	• Mild fever (103.2°F, D24)
		4502	• Appeared normal
		4505	• Mild fever (~103°F, D25 –D27) • Reduced appetite (D30, 31 PC)
	Modified Live Vaccine	DP324	• Appeared normal
		4506	• Appeared normal
		HH5	• Appeared normal