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 1.94
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -1.01 -0.375 0.38
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 4.75
Calving Interval (days) -2.05 -1.459 2.99
Survival (%) 1.57 1.117 1.75
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.05
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 15.41

* Based on an €80/tonne carbon price