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 3.58
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 5.32
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.32
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 9.77

* Based on an €80/tonne carbon price