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 4.90
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -3.82 -0.375 1.43
Prot (kg) -5.25 -0.441 2.32
Fertility Sub Index 1.47
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.19
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 6.10

* Based on an €80/tonne carbon price