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 4.61
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -4.05 -0.375 1.52
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index -0.65
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index -0.55
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 3.84 -0.432 -1.66
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 4.87

* Based on an €80/tonne carbon price