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 12.51
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -14.94 -0.375 5.60
Prot (kg) -12.40 -0.441 5.47
Fertility Sub Index 8.33
Calving Interval (days) -5.24 -1.459 7.65
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.17
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 24.57

* Based on an €80/tonne carbon price