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 15.53
Milk (kg) -318.00 -0.014 4.45
Fat (kg) -13.41 -0.375 5.02
Prot (kg) -13.71 -0.441 6.05
Fertility Sub Index 6.18
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 1.55 1.117 1.73
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 3.00
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -3.52 -0.432 1.52
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 36.17

* Based on an €80/tonne carbon price