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 0.33
Milk (kg) -171.00 -0.014 2.39
Fat (kg) 5.44 -0.375 -2.04
Prot (kg) 0.05 -0.441 -0.02
Fertility Sub Index 2.40
Calving Interval (days) -1.66 -1.459 2.42
Survival (%) -0.02 1.117 -0.02
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 0.07
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 5.34 -0.432 -2.31
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 4.10

* Based on an €80/tonne carbon price