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) -125.00 -0.014 1.75
Fat (kg) -3.68 -0.375 1.38
Prot (kg) -4.91 -0.441 2.17
Fertility Sub Index 2.30
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.62 1.117 0.69
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index 0.35
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 8.60

* Based on an €80/tonne carbon price