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 4.16
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -6.68 -0.375 2.50
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 0.04
Calving Interval (days) 0.97 -1.459 -1.42
Survival (%) 1.30 1.117 1.45
Calving Sub Index 2.67
Gestation Length (days) -2.90 -0.919 2.67
Beef Sub Index -0.19
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 8.74 -0.432 -3.77
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 10.05

* Based on an €80/tonne carbon price