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 23.85
Milk (kg) -449.00 -0.014 6.29
Fat (kg) -23.17 -0.375 8.68
Prot (kg) -20.14 -0.441 8.89
Fertility Sub Index 7.79
Calving Interval (days) -4.88 -1.459 7.12
Survival (%) 0.60 1.117 0.67
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 1.83
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.20 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 36.90

* Based on an €80/tonne carbon price