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 3.70
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 7.72
Calving Interval (days) -3.65 -1.459 5.33
Survival (%) 2.14 1.117 2.39
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.06
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.86 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 23.39

* Based on an €80/tonne carbon price