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 2.15
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -1.13 -0.375 0.42
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 2.34
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 4.03
Gestation Length (days) -4.38 -0.919 4.03
Beef Sub Index 0.95
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) 7.32 -0.432 -3.16
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 15.29

* Based on an €80/tonne carbon price