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 -3.10
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 7.33 -0.375 -2.75
Prot (kg) 1.00 -0.441 -0.44
Fertility Sub Index 2.65
Calving Interval (days) -0.91 -1.459 1.33
Survival (%) 1.18 1.117 1.32
Calving Sub Index 1.61
Gestation Length (days) -1.75 -0.919 1.61
Beef Sub Index 1.35
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 3.22 -0.432 -1.39
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 6.82

* Based on an €80/tonne carbon price