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 4.22
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -3.49 -0.441 1.54
Fertility Sub Index 7.30
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 1.64 1.117 1.83
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.44
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 17.44

* Based on an €80/tonne carbon price