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 3.85
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -3.92 -0.375 1.47
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index 2.01
Calving Interval (days) -2.46 -1.459 3.59
Survival (%) -1.41 1.117 -1.58
Calving Sub Index -1.71
Gestation Length (days) 1.86 -0.919 -1.71
Beef Sub Index 1.68
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -2.31 -0.432 1.00
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 7.86

* Based on an €80/tonne carbon price