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 7.66
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -9.27 -0.375 3.47
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 0.43
Calving Interval (days) 0.51 -1.459 -0.74
Survival (%) 1.05 1.117 1.17
Calving Sub Index -1.34
Gestation Length (days) 1.46 -0.919 -1.34
Beef Sub Index -0.25
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) -1.02 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 10.22

* Based on an €80/tonne carbon price