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 5.34
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -5.56 -0.375 2.08
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 0.11
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 0.15 1.117 0.17
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.16
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 14.61

* Based on an €80/tonne carbon price