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 34.02
Milk (kg) -662.00 -0.014 9.27
Fat (kg) -35.43 -0.375 13.27
Prot (kg) -26.02 -0.441 11.48
Fertility Sub Index -0.12
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) -0.26 1.117 -0.29
Calving Sub Index -1.76
Gestation Length (days) 1.92 -0.919 -1.76
Beef Sub Index -1.39
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 34.92

* Based on an €80/tonne carbon price