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 4.22
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -4.84 -0.441 2.14
Fertility Sub Index -4.70
Calving Interval (days) 2.09 -1.459 -3.05
Survival (%) -1.48 1.117 -1.65
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.51
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 0.52

* Based on an €80/tonne carbon price