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 5.45
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -4.88 -0.375 1.83
Prot (kg) -3.45 -0.441 1.52
Fertility Sub Index 6.46
Calving Interval (days) -2.86 -1.459 4.17
Survival (%) 2.05 1.117 2.29
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.52
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 20.29

* Based on an €80/tonne carbon price