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 6.72
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -5.96 -0.375 2.23
Prot (kg) -5.04 -0.441 2.22
Fertility Sub Index 3.84
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 0.86 1.117 0.96
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.93
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 20.39

* Based on an €80/tonne carbon price