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 2.38
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -0.92 -0.375 0.34
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index 5.25
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index 0.26
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 10.74

* Based on an €80/tonne carbon price