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 0.10
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -0.71 -0.375 0.27
Prot (kg) -0.35 -0.441 0.15
Fertility Sub Index 5.03
Calving Interval (days) -2.44 -1.459 3.56
Survival (%) 1.32 1.117 1.47
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) -2.79 -0.432 1.20
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 9.47

* Based on an €80/tonne carbon price