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 6.32
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -4.80 -0.375 1.80
Prot (kg) -5.53 -0.441 2.44
Fertility Sub Index -1.22
Calving Interval (days) 0.63 -1.459 -0.92
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.85
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 13.60

* Based on an €80/tonne carbon price