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 8.03
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -4.55 -0.375 1.70
Prot (kg) -8.52 -0.441 3.76
Fertility Sub Index 4.09
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) -0.27 1.117 -0.30
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index 1.54
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.84 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 15.75

* Based on an €80/tonne carbon price