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 3.85
Milk (kg) 118.00 -0.014 -1.65
Fat (kg) -7.87 -0.375 2.95
Prot (kg) -5.79 -0.441 2.56
Fertility Sub Index 2.15
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.36 1.117 0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.17
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 8.21

* Based on an €80/tonne carbon price