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 4.64
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 0.22
Calving Interval (days) 1.10 -1.459 -1.60
Survival (%) 1.63 1.117 1.82
Calving Sub Index -1.74
Gestation Length (days) 1.89 -0.919 -1.74
Beef Sub Index 1.24
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 8.50

* Based on an €80/tonne carbon price