Table 6
Nitrogen balance of sheep fed the different diets¹⁾

Item	Diet with		SE
	Rye straw	BF-based silage2)
Intake (g/d)	15.7a	22.6b	0.1
Excretion (g/d)
Fecal	4.9a	6.8b	0.2
Urinary	7.9a	12.1b	0.2
Total	12.8a	18.8b	0.3
Absorption (g/d)	10.8a	15.9b	0.2
Retention
g/d	2.9a	3.8b	0.3
% intake	18.4	16.8	1.6
% absorbed	26.7	24.0	2.1