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 1.69
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -1.39 -0.375 0.52
Prot (kg) 0.88 -0.441 -0.39
Fertility Sub Index -8.20
Calving Interval (days) 4.65 -1.459 -6.78
Survival (%) -1.27 1.117 -1.42
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index -0.70
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.85 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index -8.89

* Based on an €80/tonne carbon price