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 21.78
Milk (kg) -336.00 -0.014 4.70
Fat (kg) -21.88 -0.375 8.20
Prot (kg) -20.12 -0.441 8.88
Fertility Sub Index 10.35
Calving Interval (days) -5.50 -1.459 8.02
Survival (%) 2.08 1.117 2.32
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 1.21
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 38.71

* Based on an €80/tonne carbon price