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 1.78
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -0.32 -0.375 0.12
Prot (kg) -1.55 -0.441 0.68
Fertility Sub Index 2.54
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) 0.50 1.117 0.56
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index -0.79
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 4.52 -0.432 -1.95
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 13.22

* Based on an €80/tonne carbon price