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 3.23
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -6.52 -0.375 2.44
Prot (kg) 0.81 -0.441 -0.36
Fertility Sub Index 2.64
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.94 1.117 1.05
Calving Sub Index -0.83
Gestation Length (days) 0.90 -0.919 -0.83
Beef Sub Index -3.70
Carcass Weight (kg) 7.70 -0.528 -4.06
Age of Slaughter (days) -0.84 -0.432 0.36
Maintenance Sub Index Maint. Sub Index -2.12
Live WT (kg) 6.90 -0.307 -2.12
Total Carbon Sub Index -0.76

* Based on an €80/tonne carbon price