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 7.67
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -8.72 -0.375 3.27
Prot (kg) -5.05 -0.441 2.23
Fertility Sub Index 2.69
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.79 1.117 0.88
Calving Sub Index -1.75
Gestation Length (days) 1.90 -0.919 -1.75
Beef Sub Index -3.65
Carcass Weight (kg) 6.10 -0.528 -3.22
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index -0.28
Live WT (kg) 0.90 -0.307 -0.28
Total Carbon Sub Index 4.69

* Based on an €80/tonne carbon price