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 -3.32
Milk (kg) 127.00 -0.014 -1.78
Fat (kg) 2.94 -0.375 -1.10
Prot (kg) 1.01 -0.441 -0.45
Fertility Sub Index -3.24
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) -1.16 1.117 -1.30
Calving Sub Index 1.42
Gestation Length (days) -1.54 -0.919 1.42
Beef Sub Index -1.28
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 3.94 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index -6.34

* Based on an €80/tonne carbon price