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 4.53
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -2.26 -0.375 0.85
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 0.29
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.27
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 4.23

* Based on an €80/tonne carbon price