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 0.99
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -1.31 -0.375 0.49
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 0.27
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.11
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 2.56

* Based on an €80/tonne carbon price