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 5.18
Milk (kg) -200.00 -0.014 2.80
Fat (kg) -0.91 -0.375 0.34
Prot (kg) -4.63 -0.441 2.04
Fertility Sub Index 0.59
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) -0.74 1.117 -0.83
Calving Sub Index 1.77
Gestation Length (days) -1.93 -0.919 1.77
Beef Sub Index 2.49
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 13.87

* Based on an €80/tonne carbon price