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 6.41
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -5.24 -0.375 1.96
Prot (kg) -4.53 -0.441 2.00
Fertility Sub Index 6.29
Calving Interval (days) -3.61 -1.459 5.27
Survival (%) 0.92 1.117 1.03
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.15
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -3.28 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 20.11

* Based on an €80/tonne carbon price