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 9.09
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -11.18 -0.375 4.19
Prot (kg) -6.29 -0.441 2.78
Fertility Sub Index 1.45
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.83
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 20.22

* Based on an €80/tonne carbon price