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 12.27
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -10.29 -0.375 3.85
Prot (kg) -10.80 -0.441 4.77
Fertility Sub Index 3.00
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) -0.89 1.117 -0.99
Calving Sub Index -1.30
Gestation Length (days) 1.41 -0.919 -1.30
Beef Sub Index 0.26
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) -3.29 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 16.41

* Based on an €80/tonne carbon price