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 2.63
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -3.62 -0.375 1.36
Prot (kg) -0.17 -0.441 0.08
Fertility Sub Index -1.15
Calving Interval (days) 0.43 -1.459 -0.63
Survival (%) -0.47 1.117 -0.53
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.49
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 10.25

* Based on an €80/tonne carbon price