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 15.54
Milk (kg) -320.00 -0.014 4.48
Fat (kg) -13.92 -0.375 5.21
Prot (kg) -13.25 -0.441 5.85
Fertility Sub Index 7.45
Calving Interval (days) -4.80 -1.459 7.00
Survival (%) 0.40 1.117 0.45
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.96
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 29.11

* Based on an €80/tonne carbon price