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 2.81
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.73 -0.375 1.02
Prot (kg) -1.65 -0.441 0.73
Fertility Sub Index 4.10
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.71
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 13.46

* Based on an €80/tonne carbon price