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 4.93
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 1.93
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 0.37 1.117 0.41
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.68
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.39 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 16.12

* Based on an €80/tonne carbon price