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 5.42
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -3.16 -0.375 1.18
Prot (kg) -3.92 -0.441 1.73
Fertility Sub Index 2.81
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) -0.84 1.117 -0.94
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 3.08
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) -0.65 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 15.58

* Based on an €80/tonne carbon price