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 5.61
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -9.05 -0.375 3.39
Prot (kg) -3.07 -0.441 1.35
Fertility Sub Index 3.33
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 1.48 1.117 1.65
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.60
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 12.65

* Based on an €80/tonne carbon price