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 1.39
Milk (kg) -99.00 -0.014 1.39
Fat (kg) 3.87 -0.375 -1.45
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index -0.46
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -2.10
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 3.28 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 2.62

* Based on an €80/tonne carbon price