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 4.39
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -3.07 -0.375 1.15
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index 1.75
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.53
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 5.44

* Based on an €80/tonne carbon price