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 5.30
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 1.69
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.65
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 9.25

* Based on an €80/tonne carbon price