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 8.07
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -4.73 -0.375 1.77
Prot (kg) -6.34 -0.441 2.80
Fertility Sub Index 2.12
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 1.57
Carcass Weight (kg) -5.35 -0.528 2.82
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 8.22
Live WT (kg) -26.80 -0.307 8.22
Total Carbon Sub Index 20.80

* Based on an €80/tonne carbon price