Table 1. Formulation and composition of diets designed for the experiment

Item	Experimental diet
	Control		LO (n-3 enriched)		SFA
	Before L.IU.I.	After L.IU.I.	Before L.IU.I.	After L.IU.I.	Before L.IU.I.	After L.IU.I.
Ingredient (% of DM)
Alfalfa hey	39.10	39.10	40.30	41.50	40.30	41.15
Wheat straw	34.20	34.20	35.20	36.0	35.20	36.0
Barely	19.60	19.60	12.9	6.86	12.90	6.86
Soybean meal	3.50	3.50	5.0	6.20	5	6.20
Ca-salt of linseed oil (Persialin®)	0	0	3	6	0	0
Palm-stearic fat (Persiafat®)	0	0	0	0	3	6
Minerals and vitamins	2	2	2	1	2	2
Mono-calcium phosphate	0.6	0.6	0.6	0.7	0.6	0.7
Salt (NaCl)	1	1	1	1	1	1
Chemical composition
Metabolizable energy (MJ/kg DM)	1.9	1.9	1.9	1.9	1.9	1.9
CP	11	11	11.1	11	11.1	11
NDF	53.8	53.8	54.2	54.4	54.2	54.4
NFC	27	27	23.4	20.2	23.40	20.20
Ash	9.7	9.7	10.5	11.2	10.50	11.2
Total fat	1.7	1.7	4	6.3	4.0	6.30

L.IU.I., laparoscopic intra-uterine insemination; LO, linseed oil; SFA, saturated fatty acid; DMI, dry matter; CP, crude protein; NDF, neutral detergent fiber; NFC, non-fibrous carbohydrates.