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 1.25
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.24 -0.375 0.46
Prot (kg) 0.61 -0.441 -0.27
Fertility Sub Index -1.13
Calving Interval (days) 0.36 -1.459 -0.53
Survival (%) -0.54 1.117 -0.60
Calving Sub Index 1.74
Gestation Length (days) -1.89 -0.919 1.74
Beef Sub Index 4.30
Carcass Weight (kg) -10.50 -0.528 5.54
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 8.60

* Based on an €80/tonne carbon price