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 2.69
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -1.61 -0.375 0.60
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index 6.48
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 1.69 1.117 1.89
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.77
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.62 -0.432 1.13
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 22.40

* Based on an €80/tonne carbon price