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 5.06
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -3.11 -0.375 1.16
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index -1.62
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 0.18 1.117 0.20
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index -0.41
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 9.02 -0.432 -3.89
Maintenance Sub Index Maint. Sub Index 8.74
Live WT (kg) -28.50 -0.307 8.74
Total Carbon Sub Index 12.50

* Based on an €80/tonne carbon price