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 3.47
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -2.09 -0.375 0.78
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 3.56
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) 1.44 1.117 1.61
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 3.16
Carcass Weight (kg) -12.60 -0.528 6.65
Age of Slaughter (days) 8.07 -0.432 -3.48
Maintenance Sub Index Maint. Sub Index 12.32
Live WT (kg) -40.20 -0.307 12.32
Total Carbon Sub Index 23.12

* Based on an €80/tonne carbon price