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 7.17
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -4.85 -0.375 1.82
Prot (kg) -6.90 -0.441 3.05
Fertility Sub Index 2.58
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 1.06 1.117 1.18
Calving Sub Index -1.44
Gestation Length (days) 1.57 -0.919 -1.44
Beef Sub Index -2.83
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 6.81

* Based on an €80/tonne carbon price