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 7.64
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -6.22 -0.441 2.75
Fertility Sub Index 6.11
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 0.64 1.117 0.72
Calving Sub Index 1.42
Gestation Length (days) -1.55 -0.919 1.42
Beef Sub Index 2.74
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 22.02

* Based on an €80/tonne carbon price