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 7.26
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -7.18 -0.375 2.69
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index 2.09
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.56
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 11.09

* Based on an €80/tonne carbon price