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 3.40
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -3.19 -0.375 1.19
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 2.14
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 0.40 1.117 0.45
Calving Sub Index -0.23
Gestation Length (days) 0.25 -0.919 -0.23
Beef Sub Index -0.03
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 5.61

* Based on an €80/tonne carbon price