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 1.28
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -1.09 -0.441 0.48
Fertility Sub Index 4.19
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -1.71
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.37 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 7.17
Live WT (kg) -23.40 -0.307 7.17
Total Carbon Sub Index 11.69

* Based on an €80/tonne carbon price