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 3.78
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -2.33 -0.375 0.87
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 3.06
Calving Interval (days) -2.52 -1.459 3.68
Survival (%) -0.55 1.117 -0.61
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 2.24
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.79 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 13.23

* Based on an €80/tonne carbon price