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 4.20
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -1.33 -0.441 0.59
Fertility Sub Index 0.61
Calving Interval (days) 0.82 -1.459 -1.20
Survival (%) 1.62 1.117 1.81
Calving Sub Index -1.17
Gestation Length (days) 1.27 -0.919 -1.17
Beef Sub Index -0.82
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 5.21 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 6.84

* Based on an €80/tonne carbon price