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 2.51
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index -8.65
Calving Interval (days) 4.72 -1.459 -6.89
Survival (%) -1.58 1.117 -1.77
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -0.43
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -5.04

* Based on an €80/tonne carbon price