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 4.60
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -4.88 -0.375 1.83
Prot (kg) -3.87 -0.441 1.71
Fertility Sub Index 0.62
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.83
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -0.22 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 7.56

* Based on an €80/tonne carbon price