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 4.05
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.96 -0.375 1.48
Prot (kg) -2.71 -0.441 1.20
Fertility Sub Index 2.32
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 1.84
Gestation Length (days) -2.00 -0.919 1.84
Beef Sub Index 0.10
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) -1.32 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 11.28

* Based on an €80/tonne carbon price