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 3.18
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -1.70 -0.375 0.64
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index 4.01
Calving Interval (days) -2.05 -1.459 2.99
Survival (%) 0.91 1.117 1.02
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.81
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 16.64

* Based on an €80/tonne carbon price