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 4.02
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -1.41 -0.375 0.53
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 3.11
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.88 1.117 0.98
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.11
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 17.73

* Based on an €80/tonne carbon price