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 2.65
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -2.54 -0.375 0.95
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 4.07
Calving Interval (days) -1.95 -1.459 2.85
Survival (%) 1.10 1.117 1.23
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.48
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -0.73 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 16.79

* Based on an €80/tonne carbon price