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 5.29
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.07 -0.375 1.90
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index 1.84
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.46
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 10.22

* Based on an €80/tonne carbon price