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 8.37
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -13.12 -0.375 4.91
Prot (kg) -3.39 -0.441 1.50
Fertility Sub Index 7.16
Calving Interval (days) -4.30 -1.459 6.27
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 4.42
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) -3.28 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 21.60

* Based on an €80/tonne carbon price