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 5.78
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -11.34 -0.375 4.25
Prot (kg) -1.79 -0.441 0.79
Fertility Sub Index 8.44
Calving Interval (days) -5.56 -1.459 8.11
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.88
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 26.01

* Based on an €80/tonne carbon price