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 4.00
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -1.78 -0.375 0.67
Prot (kg) -3.31 -0.441 1.46
Fertility Sub Index -2.47
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) -0.51 1.117 -0.57
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index -0.54
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 2.96 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 3.37

* Based on an €80/tonne carbon price