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 5.28
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -5.35 -0.441 2.36
Fertility Sub Index 6.69
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 0.30
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 15.75

* Based on an €80/tonne carbon price