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 1.94
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -2.09 -0.375 0.78
Prot (kg) -2.22 -0.441 0.98
Fertility Sub Index 5.70
Calving Interval (days) -3.53 -1.459 5.15
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 0.77
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 12.24

* Based on an €80/tonne carbon price