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 1.13
Milk (kg) 28.00 -0.014 -0.39
Fat (kg) 0.22 -0.375 -0.08
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index 2.77
Calving Interval (days) -1.30 -1.459 1.90
Survival (%) 0.78 1.117 0.87
Calving Sub Index -0.13
Gestation Length (days) 0.14 -0.919 -0.13
Beef Sub Index -0.94
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 2.59

* Based on an €80/tonne carbon price