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 5.75
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 6.71
Calving Interval (days) -3.22 -1.459 4.70
Survival (%) 1.80 1.117 2.01
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.10
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 20.35

* Based on an €80/tonne carbon price