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 7.08
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -6.12 -0.441 2.70
Fertility Sub Index 3.54
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 0.58 1.117 0.65
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.71
Carcass Weight (kg) -4.65 -0.528 2.45
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 7.60
Live WT (kg) -24.80 -0.307 7.60
Total Carbon Sub Index 24.89

* Based on an €80/tonne carbon price