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 1.83
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -1.22 -0.375 0.46
Prot (kg) -1.05 -0.441 0.46
Fertility Sub Index 7.56
Calving Interval (days) -3.74 -1.459 5.46
Survival (%) 1.88 1.117 2.10
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.96
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.76

* Based on an €80/tonne carbon price