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 1.94
Milk (kg) -166.00 -0.014 2.32
Fat (kg) 2.68 -0.375 -1.00
Prot (kg) -1.40 -0.441 0.62
Fertility Sub Index 1.85
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 1.75 1.117 1.96
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 0.42
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.03 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 6.44

* Based on an €80/tonne carbon price