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 3.10
Milk (kg) -110.00 -0.014 1.54
Fat (kg) 2.78 -0.375 -1.04
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index -10.22
Calving Interval (days) 5.38 -1.459 -7.85
Survival (%) -2.12 1.117 -2.37
Calving Sub Index 1.17
Gestation Length (days) -1.27 -0.919 1.17
Beef Sub Index 1.37
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 3.54 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index -3.25

* Based on an €80/tonne carbon price