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 8.20
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -9.87 -0.375 3.70
Prot (kg) -8.56 -0.441 3.78
Fertility Sub Index -8.46
Calving Interval (days) 4.55 -1.459 -6.64
Survival (%) -1.63 1.117 -1.82
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 0.48
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index 0.83

* Based on an €80/tonne carbon price