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 2.83
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index 4.41
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 1.66 1.117 1.85
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.97
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 16.24

* Based on an €80/tonne carbon price