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 10.03
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.53 -0.375 2.07
Prot (kg) -13.57 -0.441 5.99
Fertility Sub Index -0.01
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index 0.35
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index -1.32
Live WT (kg) 4.30 -0.307 -1.32
Total Carbon Sub Index 9.02

* Based on an €80/tonne carbon price