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 4.95
Milk (kg) -184.00 -0.014 2.58
Fat (kg) 0.22 -0.375 -0.08
Prot (kg) -5.56 -0.441 2.45
Fertility Sub Index 4.63
Calving Interval (days) -2.68 -1.459 3.91
Survival (%) 0.64 1.117 0.72
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 1.22
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 4.38 -0.432 -1.89
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 17.79

* Based on an €80/tonne carbon price