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 4.44
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -2.78 -0.375 1.04
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 2.79
Calving Interval (days) -1.01 -1.459 1.47
Survival (%) 1.18 1.117 1.32
Calving Sub Index -1.04
Gestation Length (days) 1.13 -0.919 -1.04
Beef Sub Index -3.14
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 3.37 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 4.68

* Based on an €80/tonne carbon price