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 8.70
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -8.63 -0.375 3.23
Prot (kg) -6.83 -0.441 3.01
Fertility Sub Index 2.75
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 1.09 1.117 1.22
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.50
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 20.18

* Based on an €80/tonne carbon price