carcass.model: The Carcass (growth of beef cattle) model
In ZeBook: Working with Dynamic Models for Agriculture and Environment

Model description.

The model is defined by 20 equations, with a total of 19 parameters for the described process.

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carcass.model(protcmax, protncmax, alphac, alphanc, gammac, gammanc, lip0,
  lipc1, lipnc1, beta, delta, k, b0c, b1c, b0nc, b1nc, c0, c1, cem,
  duration)

`protcmax`	: amounts of protein in the carcass of the adult animal (kg)
`protncmax`	: amounts of protein in the 5th district of the adult animal (kg)
`alphac`	: maximum protein synthesis rate in the frame (excluding basal metabolism) (j-1)
`alphanc`	: maximum rate of protein synthesis in the 5th district (except basal metabolism) (j-1)
`gammac`	: Maximum rate of protein degradation in the frame (excluding basal metabolism) (j-1)
`gammanc`	: maximum rate of protein degradation in the 5th district (except basal metabolism) (j-1)
`lip0`	: maximum lipid concentration to the theoretical physiological age (percent)
`lipc1`	: increase coefficient of the maximum lipid concentration with the physiological age of the carcase (percent)
`lipnc1`	: increase coefficient of the highest lipid concentration with physiological age area in the 5th (percent)
`beta`	: lipid synthesis rate (j-1)
`delta`	: lipid degradation rate (d-1)
`k`	: Parameter coefficient between the half-saturation of the Michaelis-Menten equation of the metabolic weight (MJ.kg^0.75)
`b0c`	: coefficient of the allometric equation linking mass and lipid-protein carcass
`b1c`	: exponent allometric equation linking mass and defatted protein carcass
`b0nc`	: coefficient of the allometric equation linking mass and lipid-protein 5th district
`b1nc`	: exponent allometric equation linking mass and lipid-protein 5th district
`c0`	: coefficient of the allometric equation between live weight and live weight empty
`c1`	: exponent allometric equation linking body weight and live weight empty
`cem`	:
`duration`	: duration of simulation