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) -203.00 -0.014 2.84
Fat (kg) -12.65 -0.375 4.74
Prot (kg) -11.16 -0.441 4.93
Fertility Sub Index 4.35
Calving Interval (days) -2.69 -1.459 3.92
Survival (%) 0.38 1.117 0.42
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.82
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price