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 2.18
Milk (kg) -49.00 -0.014 0.69
Fat (kg) 0.32 -0.375 -0.12
Prot (kg) -3.65 -0.441 1.61
Fertility Sub Index 5.32
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 0.43 1.117 0.48
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 2.31
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 11.79

* Based on an €80/tonne carbon price