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 1.90
Milk (kg) -62.00 -0.014 0.87
Fat (kg) 0.58 -0.375 -0.22
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 5.42
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.03
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.22 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 11.58

* Based on an €80/tonne carbon price