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 25.69
Milk (kg) -440.00 -0.014 6.16
Fat (kg) -28.78 -0.375 10.78
Prot (kg) -19.83 -0.441 8.75
Fertility Sub Index 12.50
Calving Interval (days) -7.65 -1.459 11.16
Survival (%) 1.20 1.117 1.34
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index 0.20
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.49 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 42.37

* Based on an €80/tonne carbon price