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 1.71
Milk (kg) -90.00 -0.014 1.26
Fat (kg) 0.15 -0.375 -0.06
Prot (kg) -1.15 -0.441 0.51
Fertility Sub Index 6.34
Calving Interval (days) -3.64 -1.459 5.31
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 0.04
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 11.09

* Based on an €80/tonne carbon price