Nutrition Requirements Flashcards
crude protein equation
crude protein = N/0.16 = Nx6.26
protein requirement
40 g CP/Mcal DE
essential fatty acid requirement
0.5% Linoleic Acid
Ca:P ratio
1:1 ideal
5:1 OK in mature horses
Ca requirement
0.2-0.25%
what requires Ca supplementation
grains/concentrates
P requirement
0.15-0.2%
Na requirement
0.1%
NaCl requirement
0.25%
K requirement
0.25-0.6%
if the horse is sweating what is the NaCl requirement
0.75%
Mg requirement
0.1-0.3%
hypomagnesemic tetany occurs when….
Mg < 1.6mg/dl
I requirement
0.1 mg/kg (ppm)
toxic I amount
5ppm
Cu requirement
8 ppm (optimal 10-30 ppm)
Zn requirement
40 ppm
horses resistant to excess
Vitamin E requirement
50 ppm
vitamin E deficiency plasma concentration
< 1.5 mg/L
Se requirement
0.1 ppm
Se deficiency plasma concentration
< 0.065 mg/L
Se toxic amount
5-10x requirement is toxic
Se deficiency treatment in mares
3mg/mare/day
water requirements
0.3-0.8 gallons/100lbs/day = 3.3L/100kg/day
25-70 mL kg/day
30-40 L/day