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 4.60
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -4.58 -0.441 2.02
Fertility Sub Index 2.71
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.04
Gestation Length (days) -3.31 -0.919 3.04
Beef Sub Index 4.44
Carcass Weight (kg) -10.70 -0.528 5.64
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 20.92

* Based on an €80/tonne carbon price