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 4.72
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -7.90 -0.375 2.96
Prot (kg) -0.75 -0.441 0.33
Fertility Sub Index 6.05
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 1.69 1.117 1.89
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.87
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -3.72 -0.432 1.61
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 24.31

* Based on an €80/tonne carbon price