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 4.78
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -3.71 -0.375 1.39
Prot (kg) -3.21 -0.441 1.42
Fertility Sub Index 5.51
Calving Interval (days) -3.55 -1.459 5.18
Survival (%) 0.30 1.117 0.34
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.54
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 16.52

* Based on an €80/tonne carbon price