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 2.61
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -1.30 -0.375 0.49
Prot (kg) -2.97 -0.441 1.31
Fertility Sub Index 5.96
Calving Interval (days) -2.54 -1.459 3.71
Survival (%) 2.02 1.117 2.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.78
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 7.85

* Based on an €80/tonne carbon price