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 6.15
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -5.01 -0.375 1.88
Prot (kg) -5.34 -0.441 2.36
Fertility Sub Index 0.69
Calving Interval (days) -0.06 -1.459 0.09
Survival (%) 0.54 1.117 0.60
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.21
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 15.71

* Based on an €80/tonne carbon price