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 1.29
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -0.62 -0.375 0.23
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index -0.44
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) -0.09 1.117 -0.10
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.05
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.97 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 12.10

* Based on an €80/tonne carbon price