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 4.97
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -0.75 -0.375 0.28
Prot (kg) -5.49 -0.441 2.42
Fertility Sub Index 0.33
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) 0.43 1.117 0.48
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 0.20
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index 5.81

* Based on an €80/tonne carbon price