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 4.58
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -7.02 -0.375 2.63
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 6.40
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 1.24 1.117 1.39
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index -0.01
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.43 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 12.56

* Based on an €80/tonne carbon price