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 6.35
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -3.70 -0.375 1.39
Prot (kg) -6.56 -0.441 2.90
Fertility Sub Index 6.30
Calving Interval (days) -3.76 -1.459 5.49
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 0.51
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 16.67

* Based on an €80/tonne carbon price