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 4.75
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -7.15 -0.375 2.68
Prot (kg) -2.50 -0.441 1.10
Fertility Sub Index -1.13
Calving Interval (days) 0.55 -1.459 -0.80
Survival (%) -0.29 1.117 -0.32
Calving Sub Index -2.86
Gestation Length (days) 3.11 -0.919 -2.86
Beef Sub Index -4.42
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 5.22 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index -1.88

* Based on an €80/tonne carbon price