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 5.38
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -5.04 -0.375 1.89
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index 0.10
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.05 1.117 0.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.50
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.13 -0.432 0.92
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 18.18

* Based on an €80/tonne carbon price