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 2.99
Milk (kg) -127.00 -0.014 1.78
Fat (kg) 0.24 -0.375 -0.09
Prot (kg) -2.96 -0.441 1.31
Fertility Sub Index 0.08
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) 0.37 1.117 0.41
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.52
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.51 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 4.13

* Based on an €80/tonne carbon price