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 10.24
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -5.70 -0.375 2.13
Prot (kg) -13.55 -0.441 5.98
Fertility Sub Index 1.30
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.23
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 13.70

* Based on an €80/tonne carbon price