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 3.45
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -3.06 -0.441 1.35
Fertility Sub Index 6.66
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 0.88 1.117 0.98
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 0.56
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 13.55

* Based on an €80/tonne carbon price