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 6.21
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -4.28 -0.375 1.60
Prot (kg) -6.32 -0.441 2.79
Fertility Sub Index 6.23
Calving Interval (days) -3.61 -1.459 5.27
Survival (%) 0.86 1.117 0.96
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index -0.78
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 3.52 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 15.22

* Based on an €80/tonne carbon price