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 1.04
Milk (kg) -146.00 -0.014 2.04
Fat (kg) 3.66 -0.375 -1.37
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 7.24
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 2.08 1.117 2.32
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.27
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -2.07 -0.432 0.89
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 20.39

* Based on an €80/tonne carbon price