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 3.43
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.22 -0.375 1.21
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index 0.72
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) 0.20 1.117 0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.62
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.91 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 3.25

* Based on an €80/tonne carbon price