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 2.60
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -3.89 -0.375 1.46
Prot (kg) -1.60 -0.441 0.71
Fertility Sub Index 3.03
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) -0.45 1.117 -0.50
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index -0.52
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 6.77

* Based on an €80/tonne carbon price