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 5.56
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -4.48 -0.375 1.68
Prot (kg) -5.03 -0.441 2.22
Fertility Sub Index 7.25
Calving Interval (days) -4.32 -1.459 6.30
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.98
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 17.41

* Based on an €80/tonne carbon price