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 3.50
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -0.04 -0.375 0.01
Prot (kg) -4.62 -0.441 2.04
Fertility Sub Index 1.25
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 3.42
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 10.27

* Based on an €80/tonne carbon price