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 -3.70
Milk (kg) -77.00 -0.014 1.08
Fat (kg) 7.32 -0.375 -2.74
Prot (kg) 4.62 -0.441 -2.04
Fertility Sub Index 15.15
Calving Interval (days) -10.83 -1.459 15.80
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 2.34
Gestation Length (days) -2.55 -0.919 2.34
Beef Sub Index 0.92
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 5.20 -0.432 -2.24
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 20.54

* Based on an €80/tonne carbon price