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 1.92
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -0.46 -0.375 0.17
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 1.38
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 1.38
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 10.88

* Based on an €80/tonne carbon price