DIGBTPj

digestible bacterial true protein produced from the jth feedstuff, g/day

DIGCj

digestible carbohydrate from the jth feedstuff, g/day

DIGFAAi

amount of the ith absorbed amino acid from dietary escaping rumen degradation, g/day

DIGFCj

intestinally digested feed carbohydrate from the jth feedstuff, g/day

DIGFFj

digestible feed fat from the jth feedstuff, g/day

DIGFj

digestible fat from the jth feedstuff, g/day

DIGFPj

digestible feed protein from the jth feedstuff, g/day

DIGPB1j

digestible B1 protein from the jth feedstuff, g/day

DIGPB2j

digestible B2 protein from the jth feedstuff, g/day

DIGPB3j

digestible B3 protein from the jth feedstuff, g/day

DIGPj

digestible protein from the jth feedstuff, g/day

DIP

degraded intake protein

DM

dry matter

DMI

dry matter intake

DOP

days on pasture


E

energy content of milk, Mcal (NEm)/kg

e

base of natural logarithms

EAAGi

efficiency of use of the ith amino acid for growth, g/g (Table 10–6)

EAALi

efficiency of use of the ith amino acid for milk protein formation, g/g (Table 10–6)

EAAPi

efficiency of use of the ith amino acid for gestation, g/g (Table 10–6)

EAT

effective ambient temperature (°C)

EBG

empty body gain, kg

EBW0.75

metabolic body weight based on empty body weight, kg

EBWN

EBW at the next body condition score

EI

external insulation value, °C/Mcal/m2/day

EN

nitrogen in excess of rumen bacterial nitrogen and tissue needs, g/day

EQEBW

equivalent empty body weight, kg

EQSBW

equivalent shrunk body weight, kg

ER

energy reserves, Mcal


FA

daily forage allowance, kg/day

FATj

fat composition of the jth feedstuff, g/day

FATj (%DM)

percentage of fat of the jth feedstuff

FCBACTj

yield of fiber carbohydrate bacteria from the jth feedstuff, g/day

FDMj

amount of indigestible DM in feces from the jth feedstuff, g/day

FE

fecal energy

FEASHj

amount of ash in feces from the jth feedstuff, g/day

FEBACTj

amount of bacteria in feces from the jth feedstuff, g/day

FEBASHj

amount of bacterial ash in feces from the jth feedstuff, g/day

FEBCj

amount of bacterial carbohydrate in feces from the jth feedstuff, g/day

FEBCPj

amount of fecal bacterial protein from the jth feedstuff, g/day

FEBCWj

amount of fecal bacterial cell wall protein from the jth feedstuff, g/day

FEBFj

amount of bacterial fat in feces from the jth feedstuff, g/day

FECB1j

amount of feed starch in feces from the jth feedstuff, g/day

FECB2j

amount of feed available fiber in feces from the jth feedstuff, g/day

FECCj

amount of feed unavailable fiber in feces from the jth feedstuff, g/day

FECHOj

amount of carbohydrate in feces from the jth feedstuff, g/day

FEENGAj

amount of endogenous ash in feces from the jth feedstuff, g/day

FEENGFj

amount of endogenous fat in feces from the jth feedstuff, g/day

FEENGPj

amount of endogenous protein in feces from the jth feedstuff, g/day

FEFAj

amount of undigested feed ash in feces from the jth feedstuff, g/day

FEFATj

amount of fat in feces from the jth feedstuff, g/day

FEFCj

amount of feed carbohydrate in feces from the jth feedstuff, g/day

FEFPj

amount of feed protein in feces from the jth feedstuff, g/day

FEPB3j

amount of feed B3 protein fraction in feces from the jth feedstuff, g/day

FEPCj

amount of feed C protein fraction in feces from the jth feedstuff, g/day

FEPROTj

amount of fecal protein from the jth feedstuff, g/day

FFMtotal

feed for maintenance (adjusted for stress), kg DM/day

FHP

fasting heat production

FM

mobilizable fat, kg

FORAGE

forage concentration of the diet, %

FSBW

final shrunk body weight at maturity for breeding heifers or at the body fat end point selected for feedlot steers and heifers


GF

green forage availability (ton/ha)

GRAZE

forage availability factor if grazing, %

GU

grazing unit size, hectare


HAIR

effective hair depth, cm

HE

heat production, Mcal/day

He

minimal total evaporative heat loss

HIDE

hide adjustment factor for external insulation (1=thin, 2=average, 3=thick)



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