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 2.25
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) -3.88 -0.375 1.45
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index 3.25
Calving Interval (days) -0.38 -1.459 0.55
Survival (%) 2.41 1.117 2.69
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 6.91
Carcass Weight (kg) -15.40 -0.528 8.12
Age of Slaughter (days) 2.82 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 7.48
Live WT (kg) -24.40 -0.307 7.48
Total Carbon Sub Index 20.17

* Based on an €80/tonne carbon price