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 5.41
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -1.57 -0.375 0.59
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 2.41
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) -0.61 1.117 -0.68
Calving Sub Index 2.34
Gestation Length (days) -2.55 -0.919 2.34
Beef Sub Index 0.81
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 3.37 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 11.92

* Based on an €80/tonne carbon price