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 12.27
Milk (kg) -255.00 -0.014 3.57
Fat (kg) -12.20 -0.375 4.57
Prot (kg) -9.36 -0.441 4.13
Fertility Sub Index 4.50
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 2.46 1.117 2.75
Calving Sub Index -1.15
Gestation Length (days) 1.25 -0.919 -1.15
Beef Sub Index -1.05
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 19.97

* Based on an €80/tonne carbon price