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 4.08
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -4.49 -0.375 1.68
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index -2.92
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) -0.90 1.117 -1.01
Calving Sub Index -0.54
Gestation Length (days) 0.59 -0.919 -0.54
Beef Sub Index 0.36
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 2.52

* Based on an €80/tonne carbon price