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 6.64
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -3.95 -0.375 1.48
Prot (kg) -6.71 -0.441 2.96
Fertility Sub Index 6.35
Calving Interval (days) -3.79 -1.459 5.53
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 0.00
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 16.34

* Based on an €80/tonne carbon price