Predictions & Data for this entry

Model: stx climate: B, C, D migrate: phylum:
COMPLETE = 2.3 ecozone: THp food: bxM, xiHl class:
MRE = 0.086 habitat: 0iTi, 0iTs gender: Dg order:
SMSE = 0.014 embryo: Tv reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
tg 293.7 238.1 (0.1892) d gestation time BreitButt1992
tx 205 243.3 (0.1868) d time since birth at weaning for females BreitButt1992
txm 219 251.2 (0.1469) d time since birth at weaning for males BreitButt1992
tp 454 447.3 (0.01465) d time since birth at puberty for females BreitButt1992
tpm 485.4 469.8 (0.03215) d time since birth at puberty for males BreitButt1992
am 6570 6573 (0.0004826) d life span BreitButt1992
Wwb 3.12e+04 3.845e+04 (0.2322) g wet weight at birth BreitButt1992
Wwx 2.165e+05 1.689e+05 (0.2197) g wet weight at weaning for females BreitButt1992
Wwxm 2.8e+05 2.53e+05 (0.09659) g wet weight at weaning for males BreitButt1992
Wwp 3.04e+05 2.994e+05 (0.01512) g wet weight at puberty for females BreitButt1992
Wwpm 4.2e+05 4.486e+05 (0.06821) g wet weight at puberty for males BreitButt1992
Wwi 7e+05 7.423e+05 (0.06046) g ultimate wet weight for females BreitButt1992
Wwim 1.1e+06 1.118e+06 (0.01621) g ultimate wet weight for males BreitButt1992
Ri 0.002683 0.002658 (0.009308) #/d maximum reprod rate BreitButt1992
JXL 5100 5068 (0.006303) g/d milkproduction BreitButt1992

Pseudo-data at Tref = 20°C

Data Generalised animal Bos primigenius Brahman Unit Description
v 0.02 0.1053 cm/d energy conductance
kap 0.8 0.9444 - allocation fraction to soma
kap_R 0.95 0.95 - reproduction efficiency
p_M 18 24.94 J/d.cm^3 vol-spec som maint
k_J 0.002 0.002 1/d maturity maint rate coefficient
kap_G 0.8 0.8009 - growth efficiency

Discussion

  • Males are assumed to differ from females by {p_Am} only
  • Milk digestion efficiency is very low, since milk production is much more than the calf consumes
  • Slow foetal development is assumed

Bibliography

Citation