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 4.03
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -3.16 -0.375 1.18
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 6.03
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.29 1.117 0.32
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index 1.67
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -0.57 -0.432 0.25
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 13.73

* Based on an €80/tonne carbon price