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 2.94
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -1.27 -0.375 0.48
Prot (kg) -4.37 -0.441 1.93
Fertility Sub Index 0.60
Calving Interval (days) -0.38 -1.459 0.55
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.67
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 3.01

* Based on an €80/tonne carbon price