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 8.08
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -12.68 -0.375 4.75
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index 9.18
Calving Interval (days) -5.67 -1.459 8.27
Survival (%) 0.81 1.117 0.90
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 6.05
Carcass Weight (kg) -8.40 -0.528 4.43
Age of Slaughter (days) -3.75 -0.432 1.62
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 27.90

* Based on an €80/tonne carbon price