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 4.42
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -7.74 -0.375 2.90
Prot (kg) -1.93 -0.441 0.85
Fertility Sub Index 3.52
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 2.18 1.117 2.44
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -1.53
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 2.68 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 13.41

* Based on an €80/tonne carbon price