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 -1.07
Milk (kg) 7.00 -0.014 -0.10
Fat (kg) 2.31 -0.375 -0.87
Prot (kg) 0.24 -0.441 -0.11
Fertility Sub Index 4.19
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) 1.02 1.117 1.14
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.01
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 12.77

* Based on an €80/tonne carbon price