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 4.13
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -3.34 -0.375 1.25
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 8.93
Calving Interval (days) -4.75 -1.459 6.93
Survival (%) 1.79 1.117 2.00
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.72
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 3.96 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 20.67

* Based on an €80/tonne carbon price