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 -2.70
Milk (kg) 56.00 -0.014 -0.78
Fat (kg) 3.05 -0.375 -1.14
Prot (kg) 1.75 -0.441 -0.77
Fertility Sub Index -2.14
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) -0.56 1.117 -0.63
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 0.32
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index -2.85

* Based on an €80/tonne carbon price