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 10.13
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -11.79 -0.375 4.42
Prot (kg) -8.18 -0.441 3.61
Fertility Sub Index 4.09
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 1.66 1.117 1.85
Calving Sub Index -0.43
Gestation Length (days) 0.47 -0.919 -0.43
Beef Sub Index 1.15
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.61 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 18.15

* Based on an €80/tonne carbon price