Table 3.

Probabilities for orthogonal polynomial contrasts for the titrated-ergovaline dosage trial (Exp. 2) on rumen content analysis for steers treated with E+ and E− tall fescue seed for 57 d

	Contrasts on dose P-value
	E− 1			E+ 2
Item	Linear	Quadratic	Cubic	Linear	Quadratic	Cubic
Rumen content, kg	0.309	0.877	0.498	0.011	0.053	0.141
Rumen content, DM %	0.244	0.867	0.234	0.470	0.937	0.277
Rumen DM contents, kg	0.062	0.939	0.097	0.176	0.234	0.592
Rumen wet contents, kg	0.440	0.865	0.661	0.016	0.086	0.129
g rumen content DM per kg BW	0.076	0.721	0.137	0.890	0.320	0.444
g rumen content DM per kg DMI	0.154	0.860	0.200	0.008	0.012	0.778

¹E−, endophyte-free tall fescue seed.

²E+, endophyte-infected tall fescue seed; 5, 10, 15, and 20 µg ERV/kg BW/d.