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 1.96
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -4.05 -0.375 1.52
Prot (kg) 0.55 -0.441 -0.24
Fertility Sub Index 3.64
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 0.74 1.117 0.83
Calving Sub Index -1.42
Gestation Length (days) 1.55 -0.919 -1.42
Beef Sub Index -4.40
Carcass Weight (kg) 7.90 -0.528 -4.17
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index -1.84
Live WT (kg) 6.00 -0.307 -1.84
Total Carbon Sub Index -2.07

* Based on an €80/tonne carbon price