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 4.77
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -5.05 -0.375 1.89
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index -11.72
Calving Interval (days) 5.38 -1.459 -7.85
Survival (%) -3.46 1.117 -3.87
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 0.80
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) -3.45 -0.432 1.49
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -4.71

* Based on an €80/tonne carbon price