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 6.61
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -5.45 -0.375 2.04
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index 2.71
Calving Interval (days) -1.19 -1.459 1.74
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.59
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 20.49

* Based on an €80/tonne carbon price