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 3.72
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -6.09 -0.375 2.28
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 4.56
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 1.56 1.117 1.74
Calving Sub Index -0.83
Gestation Length (days) 0.90 -0.919 -0.83
Beef Sub Index -3.69
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index -2.30
Live WT (kg) 7.50 -0.307 -2.30
Total Carbon Sub Index 1.46

* Based on an €80/tonne carbon price