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 2.65
Milk (kg) -80.00 -0.014 1.12
Fat (kg) 2.45 -0.375 -0.92
Prot (kg) -5.54 -0.441 2.45
Fertility Sub Index 0.30
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.34
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 3.88

* Based on an €80/tonne carbon price