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 3.83
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -3.11 -0.375 1.16
Prot (kg) -4.86 -0.441 2.15
Fertility Sub Index -6.62
Calving Interval (days) 3.23 -1.459 -4.71
Survival (%) -1.71 1.117 -1.91
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index -0.15
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index -2.35

* Based on an €80/tonne carbon price