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 2.69
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -0.43 -0.375 0.16
Prot (kg) -2.02 -0.441 0.89
Fertility Sub Index 1.33
Calving Interval (days) 0.60 -1.459 -0.88
Survival (%) 1.97 1.117 2.20
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.72
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 10.68

* Based on an €80/tonne carbon price