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 4.22
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -3.95 -0.375 1.48
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index -0.27
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) -0.82 1.117 -0.92
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 0.89
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 7.29

* Based on an €80/tonne carbon price