Table 4.

Statistical significance of perceived nutritional digestibility and ruminal states in sheep given dry grape by-products-based diets [144].

Nutrient	Trt 1	Contrasts (p<)
		Linear	Quadratic	Cubic
Dry Matter	0.09	0.69	<0.05	<0.05
Organic Matter	0.65	0.32	0.53	0.44
Crude protein	<0.05	<0.05	0.96	0.72
Natural detergent fiber	<0.01	<0.05	0.83	0.60
Acid detergent fiber	<0.01	<0.05	0.52	0.58

¹ Significant level of treatment effect.