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 4.20
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index -1.53
Calving Interval (days) 0.72 -1.459 -1.05
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.90
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.62 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 13.60

* Based on an €80/tonne carbon price