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 3.43
Milk (kg) -121.00 -0.014 1.69
Fat (kg) 2.27 -0.375 -0.85
Prot (kg) -5.85 -0.441 2.58
Fertility Sub Index 0.71
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.28 1.117 0.31
Calving Sub Index 1.32
Gestation Length (days) -1.44 -0.919 1.32
Beef Sub Index 2.77
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 0.06 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 9.42

* Based on an €80/tonne carbon price