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 2.70
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index -3.45
Calving Interval (days) 1.63 -1.459 -2.38
Survival (%) -0.96 1.117 -1.07
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 1.92
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.15 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 7.42

* Based on an €80/tonne carbon price