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 6.64
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -5.59 -0.375 2.09
Prot (kg) -5.10 -0.441 2.25
Fertility Sub Index 6.36
Calving Interval (days) -4.08 -1.459 5.95
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 3.28
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) -0.15 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 20.85

* Based on an €80/tonne carbon price