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 5.31
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -1.68 -0.375 0.63
Prot (kg) -5.27 -0.441 2.33
Fertility Sub Index -0.40
Calving Interval (days) 0.45 -1.459 -0.66
Survival (%) 0.23 1.117 0.26
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 0.54
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 5.15

* Based on an €80/tonne carbon price