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 4.21
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -5.23 -0.441 2.31
Fertility Sub Index 0.75
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 5.83

* Based on an €80/tonne carbon price