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 10.65
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -14.54 -0.375 5.45
Prot (kg) -6.26 -0.441 2.76
Fertility Sub Index 1.25
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.14 1.117 0.16
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.66
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.74 -0.432 1.18
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 24.51

* Based on an €80/tonne carbon price