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 3.21
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.93 -0.375 0.72
Prot (kg) -2.82 -0.441 1.24
Fertility Sub Index 1.68
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 0.49
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 7.38

* Based on an €80/tonne carbon price