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 3.66
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -2.63 -0.375 0.99
Prot (kg) -3.50 -0.441 1.54
Fertility Sub Index 1.64
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.89
Gestation Length (days) -0.97 -0.919 0.89
Beef Sub Index 2.25
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 11.82

* Based on an €80/tonne carbon price