Table 3. DMI, BW change, yield and composition of colostrum and milk in transition ewes fed two flaxseed types and two RUP levels

	Level and type flaxseed
	No flaxseed		10% whole flaxseed		10% extruded flaxseed		SEM	p-value
	20%RUP (NFLR)	40%RUP (NFHR)	20%RUP (WFLR)	40%RUP (WFHR)	20%RUP (EFLR)	40%RUP (EFHR)		Flax	RUP	Flax × RUP
Pre-lambing
DMI (kg/day)	1.07	0.95	1	1.01	1.12	1.18	0.03	0.001	0.560	0.017
BW change (kg)	6	5.45	4.65	5.6	5.56	5.95	0.37	0.600	0.901	0.650
Post-lambing
DMI (kg/day)	1.84	1.77	1.98	1.75	1.92	1.89	0.04	0.031	0.007	0.028
BW change (kg)	-0.83	-0.02	0.32	1.58	0.70	1.28	0.84	0.271	0.055	0.781
Colostrum
Yield (kg)	1.89	1.83	1.90	1.88	2.43	2.38	0.27	0.097	0.860	0.998
Fat (%)	9.6	9.3	9.2	9.9	9.5	9.9	0.78	0.950	0.670	0.800
Protein (%)	4.7	4.3	4.6	5.1	4.9	4.1	0.44	0.641	0.510	0.280
Milk
Yield (kg)	1.37	1.94	1.59	2.03	2.23	1.83	0.18	0.130	0.170	0.021
Fat (%)	6.75	4.83	5.45	5.42	5.33	4.87	0.38	0.211	0.013	0.041
Protein (%)	3.33	3.51	3.43	3.53	3.43	3.54	0.05	0.410	0.002	0.661

DMI, dry matter intake; BW, body weight; RUP rumen undegradable protein; NFLR, no flaxseed, low RUP; NFHR, no flaxseed, high RUP; WFLR, whole flaxseed, low RUP; WFHR, whole flaxseed, high RU; EFLR, extruded flaxseed, low RUP; EFHR, extruded flaxseed, high RUP.