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 2.17
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.99 -0.375 0.75
Prot (kg) 0.07 -0.441 -0.03
Fertility Sub Index 3.62
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) -0.36 1.117 -0.40
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index 0.07
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 4.97 -0.432 -2.15
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 8.00

* Based on an €80/tonne carbon price