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 2.67
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -3.22 -0.375 1.21
Prot (kg) -1.25 -0.441 0.55
Fertility Sub Index 4.68
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) 1.59 1.117 1.78
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 2.41
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -0.82 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 21.56

* Based on an €80/tonne carbon price