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 -0.40
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -3.02 -0.375 1.13
Prot (kg) 3.63 -0.441 -1.60
Fertility Sub Index 2.42
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) 0.38 1.117 0.42
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index -2.71
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 3.34 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index -2.64
Live WT (kg) 8.60 -0.307 -2.64
Total Carbon Sub Index -2.29

* Based on an €80/tonne carbon price