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 4.85
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -7.64 -0.375 2.86
Prot (kg) -1.18 -0.441 0.52
Fertility Sub Index 7.27
Calving Interval (days) -3.27 -1.459 4.77
Survival (%) 2.24 1.117 2.50
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 0.50
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.36 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 16.35

* Based on an €80/tonne carbon price