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 7.46
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -6.67 -0.375 2.50
Prot (kg) -6.45 -0.441 2.85
Fertility Sub Index 1.67
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.57 1.117 0.64
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.62
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -2.17 -0.432 0.94
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 21.61

* Based on an €80/tonne carbon price