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 4.57
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -3.98 -0.375 1.49
Prot (kg) -3.49 -0.441 1.54
Fertility Sub Index -7.86
Calving Interval (days) 3.37 -1.459 -4.92
Survival (%) -2.63 1.117 -2.94
Calving Sub Index 0.44
Gestation Length (days) -0.48 -0.919 0.44
Beef Sub Index 0.55
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -1.71

* Based on an €80/tonne carbon price