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 2.01
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -1.83 -0.375 0.69
Prot (kg) -0.81 -0.441 0.36
Fertility Sub Index 7.15
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) 2.14 1.117 2.39
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.32
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 19.40

* Based on an €80/tonne carbon price