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 7.40
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -6.41 -0.375 2.40
Prot (kg) -6.40 -0.441 2.82
Fertility Sub Index 5.18
Calving Interval (days) -2.60 -1.459 3.79
Survival (%) 1.24 1.117 1.39
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.27
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.34 -0.432 0.58
Maintenance Sub Index Maint. Sub Index 6.59
Live WT (kg) -21.50 -0.307 6.59
Total Carbon Sub Index 25.24

* Based on an €80/tonne carbon price