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 0.96
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -1.05 -0.375 0.39
Prot (kg) -0.50 -0.441 0.22
Fertility Sub Index 2.72
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 1.36 1.117 1.52
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.74
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 15.73

* Based on an €80/tonne carbon price