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 3.72
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -2.55 -0.375 0.96
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 0.40
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 1.32
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 10.28

* Based on an €80/tonne carbon price