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 1.01
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) -2.68 -0.375 1.00
Prot (kg) -0.39 -0.441 0.17
Fertility Sub Index 4.63
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 7.54

* Based on an €80/tonne carbon price