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 1.59
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index 0.89
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.41
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 4.72

* Based on an €80/tonne carbon price