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 -3.27
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) 4.54 -0.375 -1.70
Prot (kg) 2.83 -0.441 -1.25
Fertility Sub Index -0.26
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.27
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index -1.82

* Based on an €80/tonne carbon price