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 1.10
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -0.94 -0.375 0.35
Prot (kg) -1.05 -0.441 0.46
Fertility Sub Index 1.07
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.33
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 3.77

* Based on an €80/tonne carbon price