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 3.60
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -5.15 -0.375 1.93
Prot (kg) 0.17 -0.441 -0.08
Fertility Sub Index 5.85
Calving Interval (days) -3.62 -1.459 5.28
Survival (%) 0.51 1.117 0.57
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.31
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) -3.29 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 13.63

* Based on an €80/tonne carbon price