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 7.88
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -11.11 -0.375 4.16
Prot (kg) -5.67 -0.441 2.50
Fertility Sub Index 2.06
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.58 1.117 0.65
Calving Sub Index 1.92
Gestation Length (days) -2.09 -0.919 1.92
Beef Sub Index 0.08
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) -3.37 -0.432 1.45
Maintenance Sub Index Maint. Sub Index -5.40
Live WT (kg) 17.60 -0.307 -5.40
Total Carbon Sub Index 6.55

* Based on an €80/tonne carbon price