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 9.12
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -8.72 -0.375 3.27
Prot (kg) -7.37 -0.441 3.25
Fertility Sub Index 2.85
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 1.43 1.117 1.60
Calving Sub Index -1.40
Gestation Length (days) 1.52 -0.919 -1.40
Beef Sub Index -1.27
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 11.38

* Based on an €80/tonne carbon price