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 5.65
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -7.46 -0.375 2.79
Prot (kg) -5.54 -0.441 2.45
Fertility Sub Index 2.29
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.14 1.117 0.16
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.94
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 18.68

* Based on an €80/tonne carbon price