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 6.61
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -5.97 -0.375 2.24
Prot (kg) -5.47 -0.441 2.41
Fertility Sub Index 0.32
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 2.04
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 13.42

* Based on an €80/tonne carbon price