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 0.77
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) -3.52 -0.375 1.32
Prot (kg) 0.45 -0.441 -0.20
Fertility Sub Index 1.77
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.54
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 5.06

* Based on an €80/tonne carbon price