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 5.44
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -3.72 -0.375 1.39
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index 2.87
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 0.49 1.117 0.55
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 5.55
Carcass Weight (kg) -9.40 -0.528 4.96
Age of Slaughter (days) -1.37 -0.432 0.59
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 25.71

* Based on an €80/tonne carbon price