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 4.33
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -1.04 -0.375 0.39
Prot (kg) -2.93 -0.441 1.29
Fertility Sub Index 5.34
Calving Interval (days) -2.96 -1.459 4.32
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 1.04
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 15.16

* Based on an €80/tonne carbon price