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 1.61
Milk (kg) -68.00 -0.014 0.95
Fat (kg) 3.14 -0.375 -1.18
Prot (kg) -4.16 -0.441 1.84
Fertility Sub Index 8.74
Calving Interval (days) -5.61 -1.459 8.19
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.75
Gestation Length (days) 0.82 -0.919 -0.75
Beef Sub Index 2.42
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -1.20 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 15.42

* Based on an €80/tonne carbon price