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 3.66
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -6.84 -0.375 2.56
Prot (kg) 1.72 -0.441 -0.76
Fertility Sub Index 8.06
Calving Interval (days) -4.52 -1.459 6.59
Survival (%) 1.31 1.117 1.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.83
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 13.41

* Based on an €80/tonne carbon price