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 3.08
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -4.43 -0.375 1.66
Prot (kg) 0.34 -0.441 -0.15
Fertility Sub Index 4.85
Calving Interval (days) -3.16 -1.459 4.61
Survival (%) 0.21 1.117 0.23
Calving Sub Index 5.03
Gestation Length (days) -5.47 -0.919 5.03
Beef Sub Index 1.59
Carcass Weight (kg) -12.80 -0.528 6.75
Age of Slaughter (days) 11.95 -0.432 -5.16
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 18.22

* Based on an €80/tonne carbon price