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 3.40
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index -0.28
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 0.98
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 0.82
Live WT (kg) -2.67 -0.307 0.82
Total Carbon Sub Index 4.66

* Based on an €80/tonne carbon price