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 2.51
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -3.65 -0.375 1.37
Prot (kg) -2.40 -0.441 1.06
Fertility Sub Index 4.40
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 0.86 1.117 0.96
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 8.44

* Based on an €80/tonne carbon price