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 9.49
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -12.41 -0.375 4.65
Prot (kg) -6.79 -0.441 3.00
Fertility Sub Index -1.23
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.33
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 18.27

* Based on an €80/tonne carbon price