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 7.12
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -6.28 -0.375 2.35
Prot (kg) -5.45 -0.441 2.41
Fertility Sub Index 5.69
Calving Interval (days) -3.33 -1.459 4.86
Survival (%) 0.74 1.117 0.83
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 4.03
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) -0.18 -0.432 0.08
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 23.45

* Based on an €80/tonne carbon price