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) -5.78 -0.375 2.16
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index 5.70
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 0.73 1.117 0.82
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index 1.83
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 18.10

* Based on an €80/tonne carbon price