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 6.33
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -4.37 -0.375 1.64
Prot (kg) -6.42 -0.441 2.83
Fertility Sub Index 0.84
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.20
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 8.75

* Based on an €80/tonne carbon price