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 5.21
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -5.65 -0.375 2.12
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index 6.40
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 2.01 1.117 2.25
Calving Sub Index -1.32
Gestation Length (days) 1.44 -0.919 -1.32
Beef Sub Index -2.25
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 8.38 -0.432 -3.62
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 14.67

* Based on an €80/tonne carbon price