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 0.94
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 0.82
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.00 1.117 0.00
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.23
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 3.60

* Based on an €80/tonne carbon price