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 0.15
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -2.46 -0.375 0.92
Prot (kg) 2.01 -0.441 -0.89
Fertility Sub Index 6.23
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 2.00 1.117 2.23
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index 2.85
Carcass Weight (kg) -8.10 -0.528 4.27
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 13.51

* Based on an €80/tonne carbon price