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 1.88
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) -3.65 -0.375 1.37
Prot (kg) -1.58 -0.441 0.70
Fertility Sub Index 0.52
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.21
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 4.63

* Based on an €80/tonne carbon price