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 4.50
Milk (kg) 20.00 -0.014 -0.28
Fat (kg) -6.14 -0.375 2.30
Prot (kg) -5.61 -0.441 2.48
Fertility Sub Index 0.48
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index 0.52
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) -2.31 -0.432 1.00
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index 5.31

* Based on an €80/tonne carbon price