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 8.98
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -10.02 -0.375 3.75
Prot (kg) -8.83 -0.441 3.90
Fertility Sub Index -14.59
Calving Interval (days) 7.33 -1.459 -10.69
Survival (%) -3.49 1.117 -3.90
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.18
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index -4.78

* Based on an €80/tonne carbon price