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 1.53
Milk (kg) -15.00 -0.014 0.21
Fat (kg) -1.46 -0.375 0.55
Prot (kg) -1.76 -0.441 0.78
Fertility Sub Index 2.68
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.38
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 5.44

* Based on an €80/tonne carbon price