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 6.08
Milk (kg) -226.00 -0.014 3.16
Fat (kg) -1.52 -0.375 0.57
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 2.02
Calving Interval (days) -0.79 -1.459 1.15
Survival (%) 0.78 1.117 0.87
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 0.67
Carcass Weight (kg) -3.65 -0.528 1.93
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 7.56
Live WT (kg) -24.65 -0.307 7.56
Total Carbon Sub Index 17.11

* Based on an €80/tonne carbon price