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 1.71
Milk (kg) -172.00 -0.014 2.41
Fat (kg) 3.75 -0.375 -1.40
Prot (kg) -1.61 -0.441 0.71
Fertility Sub Index 4.36
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 1.58 1.117 1.77
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index 1.45
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 8.87

* Based on an €80/tonne carbon price