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 2.12
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -3.89 -0.375 1.46
Prot (kg) 1.12 -0.441 -0.49
Fertility Sub Index 2.01
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.37
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 13.90

* Based on an €80/tonne carbon price