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 1.39
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -1.58 -0.375 0.59
Prot (kg) -1.20 -0.441 0.53
Fertility Sub Index 6.21
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 1.73 1.117 1.93
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.33
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 16.46

* Based on an €80/tonne carbon price