Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 22.18
Milk (kg) -691.00 -0.014 9.67
Fat (kg) -14.15 -0.375 5.30
Prot (kg) -16.32 -0.441 7.20
Fertility Sub Index 4.85
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 0.36 1.117 0.40
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 1.01
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 30.28

* Based on an €80/tonne carbon price