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 7.23
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -8.15 -0.375 3.05
Prot (kg) -4.23 -0.441 1.87
Fertility Sub Index 9.14
Calving Interval (days) -4.33 -1.459 6.32
Survival (%) 2.53 1.117 2.83
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.34
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.13 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 24.56

* Based on an €80/tonne carbon price