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 4.94
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -2.12 -0.375 0.79
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 2.65
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) 0.79 1.117 0.88
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 17.98

* Based on an €80/tonne carbon price