Predictions & Data for this entry

Model: stx climate: B, C, D migrate: phylum:
COMPLETE = 2.5 ecozone: THp food: bxM, xiHl class:
MRE = 0.081 habitat: 0iTi, 0iTs gender: Dg order:
SMSE = 0.010 embryo: Tv reprod: O family:

Zero-variate data

Data Observed Predicted (RE) Unit Description Reference
tg 282.2 321 (0.1374) d gestation time for female calves BeltButt1992
tgm 282.7 254.3 (0.1006) d gestation time for male calves BeltButt1992
tx 223 234 (0.0493) d time since birth at weaning BeltButt1992
tp 307 319.1 (0.03958) d time since birth at puberty for females BeltButt1992
tpm 395.8 373.1 (0.05741) d time since birth at puberty for males BeltButt1992
am 6570 6685 (0.01751) d life span BeltButt1992
Wwb 3.18e+04 3.019e+04 (0.05055) g wet weight at birth BeltButt1992
Wwx 1.987e+05 1.674e+05 (0.1574) g wet weight at weaning for females BeltButt1992
Wwxm 2.3e+05 2.448e+05 (0.06427) g wet weight at weaning for males BeltButt1992
Wwp 2.35e+05 2.247e+05 (0.04392) g wet weight at puberty for females BeltButt1992
Wwpm 3.03e+05 3.278e+05 (0.0818) g wet weight at puberty for males BeltButt1992
Wwi 4.6e+05 5.843e+05 (0.2703) g ultimate wet weight for females BeltButt1992
Wwim 1e+06 8.837e+05 (0.1163) g ultimate wet weight for males BeltButt1992
Ri 0.002897 0.002792 (0.03635) #/d maximum reprod rate BeltButt1992
JXL 6771 6779 (0.001159) g/d milkproduction BeltButt1992

Uni- and bivariate data

Data Figure Independent variable Dependent variable (RE) Reference
tW_f time since birth wet weight (0.07988) BeltButt1992

Pseudo-data at Tref = 20°C

Data Generalised animal Bos primigenius Angus Unit Description
v 0.02 0.1272 cm/d energy conductance
kap 0.8 0.957 - allocation fraction to soma
kap_R 0.95 0.95 - reproduction efficiency
p_M 18 36.39 J/d.cm^3 vol-spec som maint
k_J 0.002 0.002 1/d maturity maint rate coefficient
kap_G 0.8 0.8065 - growth efficiency
t_0 0 142.4 d time at start development

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