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 9.93
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -9.49 -0.375 3.55
Prot (kg) -12.13 -0.441 5.35
Fertility Sub Index 1.37
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.46 1.117 0.51
Calving Sub Index -1.32
Gestation Length (days) 1.44 -0.919 -1.32
Beef Sub Index 0.54
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 12.23

* Based on an €80/tonne carbon price