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 1.36
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -0.52 -0.375 0.19
Prot (kg) -1.36 -0.441 0.60
Fertility Sub Index 3.41
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.75 1.117 0.84
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.29
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 13.58

* Based on an €80/tonne carbon price