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 18.54
Milk (kg) -434.00 -0.014 6.08
Fat (kg) -16.53 -0.375 6.19
Prot (kg) -14.22 -0.441 6.28
Fertility Sub Index 1.06
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 1.73
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 25.76

* Based on an €80/tonne carbon price