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 5.52
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -2.63 -0.375 0.99
Prot (kg) -4.78 -0.441 2.11
Fertility Sub Index 5.14
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) 1.27 1.117 1.42
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.43
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -0.02 -0.432 0.01
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 20.95

* Based on an €80/tonne carbon price