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 4.16
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -3.90 -0.375 1.46
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 1.57
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 6.90

* Based on an €80/tonne carbon price