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 7.04
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -5.82 -0.375 2.18
Prot (kg) -7.34 -0.441 3.24
Fertility Sub Index 8.20
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 2.17 1.117 2.42
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 2.46
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -0.32 -0.432 0.14
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 20.22

* Based on an €80/tonne carbon price