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 19.68
Milk (kg) -411.00 -0.014 5.75
Fat (kg) -19.62 -0.375 7.35
Prot (kg) -14.91 -0.441 6.58
Fertility Sub Index -0.51
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 2.05
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -3.17 -0.432 1.37
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 26.25

* Based on an €80/tonne carbon price