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 3.39
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -2.89 -0.375 1.08
Prot (kg) -4.02 -0.441 1.77
Fertility Sub Index 0.70
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.07
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 4.95

* Based on an €80/tonne carbon price