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 -0.70
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -0.26 -0.375 0.10
Prot (kg) 1.74 -0.441 -0.77
Fertility Sub Index -7.07
Calving Interval (days) 3.92 -1.459 -5.72
Survival (%) -1.21 1.117 -1.35
Calving Sub Index 2.96
Gestation Length (days) -3.22 -0.919 2.96
Beef Sub Index -1.63
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 4.39 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index -5.50

* Based on an €80/tonne carbon price