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 4.90
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -8.12 -0.375 3.04
Prot (kg) -0.95 -0.441 0.42
Fertility Sub Index 1.19
Calving Interval (days) -0.63 -1.459 0.92
Survival (%) 0.24 1.117 0.27
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.39
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.77 -0.432 0.33
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 15.67

* Based on an €80/tonne carbon price