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 5.80
Milk (kg) -227.00 -0.014 3.18
Fat (kg) -0.79 -0.375 0.30
Prot (kg) -5.26 -0.441 2.32
Fertility Sub Index -2.25
Calving Interval (days) 0.85 -1.459 -1.24
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -0.08
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 5.47

* Based on an €80/tonne carbon price