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 4.71
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -5.72 -0.375 2.14
Prot (kg) -3.46 -0.441 1.53
Fertility Sub Index 1.16
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) -0.79 1.117 -0.88
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 3.71
Carcass Weight (kg) -9.30 -0.528 4.91
Age of Slaughter (days) 2.77 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 14.39

* Based on an €80/tonne carbon price