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Journal of Animal Science and Biotechnology

Table 1 Ingredients and nutrient composition of diets fed to during prepartum and early lactation

From: Prepartum dietary energy intake alters adipose tissue transcriptome profiles during the periparturient period in Holstein dairy cows

Item	Prepartum^a		Lactation
Item	CTR	OVR	Lactation
Ingredient, % of DM
Corn silage	35.5	35.8	30.5
Alfalfa silage		13.3	18.6
Alfalfa hay	17.2	9.5	2.0
Wheat straw, chopped	31.8
Cottonseed		5.1	9.5
Corn grain, ground	3.6	17.9	20.7
Soybean meal, 48% CP	5.1	6.6	6.0
Soybean meal, expeller	4.1		4.0
Soy hulls		10.4	3.0
Wheat middlings			3.0
Vitamin and mineral mix^b	0.3	0.3	0.3
Salt	0.3	0.2	0.2
Dicalcium phosphate	0.1	0.1	0.1
Sodium bicarbonate			0.9
Limestone	0.8		1.0
Magnesium oxide			0.1
Magnesium sulfate	0.3	0.2	0.1
Vitamin A^c	0.1	0.1	0.1
Vitamin D^d	0.1	0.1	0.1
Vitamin E^e	0.2	0.1	0.1
Urea	0.9	0.2
Nutrient content^f
% DM	54.1	53.2	53.3
CP, % of DM	14.2	15.0	17.1
ADF, % of DM	24.7	26.5	23.0
NDF, % of DM	51.9	38.6	35.4
NE_L, Mcal/kg of DM	1.21	1.63	1.69

^aDiets were fed to cows from −42 d relative to expected parturition to parturition
^bContained a minimum of 5.0% Mg, 10.0% S, 7.5% K, 2.0% Fe, 3.0% Zn, 3.0% Mn, 5,000 mg/kg Cu, 250 mg/kg I, 40 mg/kg Co, 150 mg/kg Se, 2,200,000 IU/kg of vitamin A, 660,000 IU/kg of vitamin D₃, and 22,000 IU/kg of vitamin E
^cContained 30,000 kIU/kg
^dContained 5,009 kIU/kg
^eContained 44,000 IU/kg
^fNutrient composition based on 4-week feed ingredient composites

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