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 6.51
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -9.34 -0.441 4.12
Fertility Sub Index -3.74
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -0.88 1.117 -0.98
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -0.29
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 3.42

* Based on an €80/tonne carbon price