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 10.05
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -12.27 -0.375 4.60
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index -0.02
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) -0.61 1.117 -0.68
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index 4.92
Carcass Weight (kg) -10.50 -0.528 5.54
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 22.29

* Based on an €80/tonne carbon price