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 5.45
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -5.47 -0.375 2.05
Prot (kg) -5.07 -0.441 2.24
Fertility Sub Index 1.94
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.85 1.117 0.95
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.96
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -2.59 -0.432 1.12
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 19.57

* Based on an €80/tonne carbon price