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 8.04
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -8.76 -0.375 3.28
Prot (kg) -7.79 -0.441 3.44
Fertility Sub Index 6.40
Calving Interval (days) -3.82 -1.459 5.57
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 17.45

* Based on an €80/tonne carbon price