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 1.28
Milk (kg) -100.00 -0.014 1.40
Fat (kg) 1.75 -0.375 -0.66
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index 1.88
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.39 1.117 0.44
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.65
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 5.10

* Based on an €80/tonne carbon price