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 6.22
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -2.28 -0.375 0.85
Prot (kg) -8.09 -0.441 3.57
Fertility Sub Index 5.91
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 1.24 1.117 1.39
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index 1.60
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.65

* Based on an €80/tonne carbon price