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 1.30
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -0.58 -0.375 0.22
Prot (kg) -0.81 -0.441 0.36
Fertility Sub Index -0.59
Calving Interval (days) 0.92 -1.459 -1.34
Survival (%) 0.67 1.117 0.75
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index -0.12
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 4.55 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 6.09

* Based on an €80/tonne carbon price