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 4.27
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index -1.15
Calving Interval (days) 1.20 -1.459 -1.75
Survival (%) 0.54 1.117 0.60
Calving Sub Index -1.70
Gestation Length (days) 1.85 -0.919 -1.70
Beef Sub Index -0.22
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.92 -0.432 -1.69
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 6.42

* Based on an €80/tonne carbon price