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 6.99
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -8.64 -0.441 3.81
Fertility Sub Index -1.85
Calving Interval (days) 1.36 -1.459 -1.98
Survival (%) 0.12 1.117 0.13
Calving Sub Index 0.51
Gestation Length (days) -0.56 -0.919 0.51
Beef Sub Index -0.80
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index -0.58
Live WT (kg) 1.90 -0.307 -0.58
Total Carbon Sub Index 4.27

* Based on an €80/tonne carbon price