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 7.97
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -5.66 -0.375 2.12
Prot (kg) -7.87 -0.441 3.47
Fertility Sub Index 0.18
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) 0.20 1.117 0.22
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.23
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 17.56

* Based on an €80/tonne carbon price