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 1.70
Milk (kg) 22.00 -0.014 -0.31
Fat (kg) -1.16 -0.375 0.43
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 4.02
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) 1.89 1.117 2.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.71
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 5.98

* Based on an €80/tonne carbon price