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 2.15
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -1.33 -0.375 0.50
Prot (kg) -1.93 -0.441 0.85
Fertility Sub Index 5.15
Calving Interval (days) -2.54 -1.459 3.71
Survival (%) 1.29 1.117 1.44
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.37
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.73 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 17.27

* Based on an €80/tonne carbon price