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 3.41
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 7.23
Calving Interval (days) -3.40 -1.459 4.96
Survival (%) 2.03 1.117 2.27
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.71
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 22.00

* Based on an €80/tonne carbon price