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 2.65
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 2.00
Calving Interval (days) -0.81 -1.459 1.18
Survival (%) 0.73 1.117 0.82
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 3.25
Carcass Weight (kg) -10.90 -0.528 5.75
Age of Slaughter (days) 5.79 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 9.75
Live WT (kg) -31.80 -0.307 9.75
Total Carbon Sub Index 18.66

* Based on an €80/tonne carbon price