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 3.70
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -2.10 -0.375 0.79
Prot (kg) -4.15 -0.441 1.83
Fertility Sub Index 3.45
Calving Interval (days) -1.72 -1.459 2.51
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.08
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 7.91

* Based on an €80/tonne carbon price