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 4.30
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -4.37 -0.441 1.93
Fertility Sub Index 4.56
Calving Interval (days) -4.33 -1.459 6.32
Survival (%) -1.57 1.117 -1.75
Calving Sub Index -3.53
Gestation Length (days) 3.84 -0.919 -3.53
Beef Sub Index 2.27
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -4.03 -0.432 1.74
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 9.72

* Based on an €80/tonne carbon price