Estimated Average Daily Nutrient Requirements of Mature Horses and Ponies
Estimated Average Daily Nutrient Requirements of Mature Horses and Ponies
-------------------------------------Daily Nutrients Per Animala---------------------------------------------------
Body Weight (kg)
Digestible Energy (Mcal)
Crude Protein (g)
Ca (g)
P (g)
Vitamin Ab (IU)
Daily Milk Production (kg)
Maintenance
200
6.7
252
8
6
6,000
—
500
16.7
630
20
14
15,000
—
900
30.0
1,134
36
25.2
27,000
—
Last 90 Days of Gestation
214–226
7.7–8.6
319–357
14.4
10.5
12,000
—
500
19.2–21.4
797–893
36
26.3
30,000
—
600
34.6–38.5
1,434–1,607
64.8
47.3
54,000
—
Lactating Mares, First 3 Mo
200
12.2–12.7
587–614
22.4–23.6
14.4–15.3
12,000
6.0–6.5
500
30.6–31.7
1,468–1,535
55.9–59.0
36.0–38.3
30,000
15.0–16.3
900
52.4–54.4
2,642–2,763
100.6–106.4
64.9–68.9
54,000
26.91–29.3
Lactating Mares, 3 Mo to Weaning
200
10.9–12.2
506–587
15.0–22.4
9.3–10.5
12,000
4.4–6.0
500
27.2–30.6
1,265–1,468
37.4–55.9
23.2–36.0
30,000
10.9–14.9
900
46.3–52.5
2,277–2,642
67.4–100.6
41.8–64.9
54,000
19.6–26.9
a Assumes good-quality forage with or without additional concentrates. Maximal daily intake is estimated to be 2.5%–3.0% body wt in dry matter. Ranges are given for requirements that change with time of pregnancy/lactation.
b One mg of β-carotene equals 400 IU of vitamin A for the horse.
Adapted from Nutrient Requirements of Horses, 2007, National Academy of Sciences, National Academy Press, Washington, DC