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 7.39
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -6.81 -0.375 2.55
Prot (kg) -7.41 -0.441 3.27
Fertility Sub Index 0.40
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) 0.29 1.117 0.32
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 0.60
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 8.00

* Based on an €80/tonne carbon price