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 13.36
Milk (kg) -321.00 -0.014 4.49
Fat (kg) -13.67 -0.375 5.12
Prot (kg) -8.49 -0.441 3.75
Fertility Sub Index 0.12
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) -0.82 1.117 -0.92
Calving Sub Index 2.14
Gestation Length (days) -2.33 -0.919 2.14
Beef Sub Index -1.61
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) -0.31 -0.432 0.13
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 12.51

* Based on an €80/tonne carbon price