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 6.70
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -6.06 -0.375 2.27
Prot (kg) -4.89 -0.441 2.16
Fertility Sub Index 4.35
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 0.94 1.117 1.05
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.07
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 21.00

* Based on an €80/tonne carbon price