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 3.52
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -6.57 -0.375 2.46
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index 2.02
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) -0.40 1.117 -0.45
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index 2.05
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 12.02

* Based on an €80/tonne carbon price