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 5.89
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -3.62 -0.375 1.36
Prot (kg) -5.81 -0.441 2.56
Fertility Sub Index 7.34
Calving Interval (days) -4.22 -1.459 6.16
Survival (%) 1.06 1.117 1.18
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.53
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 17.79

* Based on an €80/tonne carbon price