Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 13.25
Milk (kg) -258.00 -0.014 3.61
Fat (kg) -10.44 -0.375 3.91
Prot (kg) -12.98 -0.441 5.73
Fertility Sub Index 1.04
Calving Interval (days) -1.17 -1.459 1.71
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.18
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 18.05

* Based on an €80/tonne carbon price