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 7.29
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -7.40 -0.375 2.77
Prot (kg) -6.36 -0.441 2.81
Fertility Sub Index 5.41
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.25 1.117 1.40
Calving Sub Index -1.82
Gestation Length (days) 1.98 -0.919 -1.82
Beef Sub Index -3.22
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 9.61

* Based on an €80/tonne carbon price