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 4.33
Milk (kg) -147.00 -0.014 2.06
Fat (kg) 0.64 -0.375 -0.24
Prot (kg) -5.70 -0.441 2.52
Fertility Sub Index 2.82
Calving Interval (days) -1.45 -1.459 2.12
Survival (%) 0.63 1.117 0.70
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.47
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.15 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 15.09

* Based on an €80/tonne carbon price