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 1.34
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -0.69 -0.375 0.26
Prot (kg) -1.41 -0.441 0.62
Fertility Sub Index 0.33
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.32 1.117 0.36
Calving Sub Index -1.42
Gestation Length (days) 1.55 -0.919 -1.42
Beef Sub Index -0.30
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.51 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 4.55

* Based on an €80/tonne carbon price