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 1.22
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -3.47 -0.375 1.30
Prot (kg) 1.36 -0.441 -0.60
Fertility Sub Index 7.47
Calving Interval (days) -3.40 -1.459 4.96
Survival (%) 2.25 1.117 2.51
Calving Sub Index -1.09
Gestation Length (days) 1.19 -0.919 -1.09
Beef Sub Index -4.00
Carcass Weight (kg) 7.50 -0.528 -3.96
Age of Slaughter (days) 0.11 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 5.41

* Based on an €80/tonne carbon price