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 10.10
Milk (kg) -216.00 -0.014 3.02
Fat (kg) -8.32 -0.375 3.12
Prot (kg) -8.98 -0.441 3.96
Fertility Sub Index 3.07
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 0.66 1.117 0.74
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 0.32
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 18.59

* Based on an €80/tonne carbon price