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 4.23
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -3.93 -0.441 1.73
Fertility Sub Index 1.08
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.37 1.117 0.41
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.81
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 14.51

* Based on an €80/tonne carbon price