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 0.15
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) -0.02 -0.375 0.01
Prot (kg) -0.68 -0.441 0.30
Fertility Sub Index 4.54
Calving Interval (days) -2.87 -1.459 4.19
Survival (%) 0.32 1.117 0.36
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index 0.38
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 4.74 -0.432 -2.05
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 7.75

* Based on an €80/tonne carbon price