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 4.12
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -1.00 -0.375 0.37
Prot (kg) -6.17 -0.441 2.72
Fertility Sub Index -0.26
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) -0.81 1.117 -0.90
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -0.77
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 4.59 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 3.38

* Based on an €80/tonne carbon price