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 0.70
Milk (kg) -95.00 -0.014 1.33
Fat (kg) 0.07 -0.375 -0.03
Prot (kg) 1.36 -0.441 -0.60
Fertility Sub Index 6.95
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 2.24 1.117 2.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.54
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 17.45

* Based on an €80/tonne carbon price