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 4.88
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -1.37 -0.375 0.51
Prot (kg) -4.19 -0.441 1.85
Fertility Sub Index 6.66
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 1.06 1.117 1.18
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index 0.58
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 16.90

* Based on an €80/tonne carbon price