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 2.59
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -1.16 -0.375 0.43
Prot (kg) -1.61 -0.441 0.71
Fertility Sub Index -0.96
Calving Interval (days) 1.22 -1.459 -1.78
Survival (%) 0.73 1.117 0.82
Calving Sub Index -1.23
Gestation Length (days) 1.34 -0.919 -1.23
Beef Sub Index 0.39
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 4.36 -0.432 -1.88
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 6.76

* Based on an €80/tonne carbon price