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 3.79
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -5.46 -0.441 2.41
Fertility Sub Index 1.90
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index -0.88
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index 3.33

* Based on an €80/tonne carbon price