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 6.78
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -6.50 -0.375 2.43
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index 6.93
Calving Interval (days) -3.27 -1.459 4.77
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.88
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 23.11

* Based on an €80/tonne carbon price