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 2.93
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -2.93 -0.375 1.10
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index -1.66
Calving Interval (days) 0.68 -1.459 -0.99
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.14
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 9.56

* Based on an €80/tonne carbon price