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 7.44
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -8.39 -0.375 3.14
Prot (kg) -7.39 -0.441 3.26
Fertility Sub Index -3.34
Calving Interval (days) 1.67 -1.459 -2.44
Survival (%) -0.81 1.117 -0.90
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.76
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 6.42

* Based on an €80/tonne carbon price