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 10.38
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -14.55 -0.375 5.45
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 1.10
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 1.01 1.117 1.13
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.07
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 21.23

* Based on an €80/tonne carbon price