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 -1.25
Milk (kg) -72.00 -0.014 1.01
Fat (kg) 5.15 -0.375 -1.93
Prot (kg) 0.75 -0.441 -0.33
Fertility Sub Index -3.34
Calving Interval (days) 1.62 -1.459 -2.36
Survival (%) -0.87 1.117 -0.97
Calving Sub Index 1.33
Gestation Length (days) -1.45 -0.919 1.33
Beef Sub Index -0.50
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index -2.46

* Based on an €80/tonne carbon price