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 3.79
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 0.71
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.41
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 4.70

* Based on an €80/tonne carbon price