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 3.96
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -0.82 -0.375 0.31
Prot (kg) -7.52 -0.441 3.32
Fertility Sub Index -9.50
Calving Interval (days) 5.39 -1.459 -7.86
Survival (%) -1.46 1.117 -1.63
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.85
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 2.44 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index -3.81

* Based on an €80/tonne carbon price