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 2.16
Milk (kg) -144.00 -0.014 2.02
Fat (kg) 1.60 -0.375 -0.60
Prot (kg) -1.69 -0.441 0.75
Fertility Sub Index 3.44
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) 1.41 1.117 1.58
Calving Sub Index 1.42
Gestation Length (days) -1.55 -0.919 1.42
Beef Sub Index 5.29
Carcass Weight (kg) -12.50 -0.528 6.59
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 18.64

* Based on an €80/tonne carbon price