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 4.69
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -3.57 -0.375 1.34
Prot (kg) -2.05 -0.441 0.90
Fertility Sub Index 3.95
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 0.90 1.117 1.01
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.60
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 17.89

* Based on an €80/tonne carbon price