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 2.15
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -3.12 -0.375 1.17
Prot (kg) 0.21 -0.441 -0.09
Fertility Sub Index 2.24
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) 0.84 1.117 0.94
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.73
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.02 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 16.11

* Based on an €80/tonne carbon price