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 11.43
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -14.35 -0.375 5.37
Prot (kg) -9.24 -0.441 4.08
Fertility Sub Index -8.15
Calving Interval (days) 4.05 -1.459 -5.91
Survival (%) -2.01 1.117 -2.25
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index -0.73
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 4.74 -0.432 -2.05
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 4.47

* Based on an €80/tonne carbon price