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 3.82
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -2.71 -0.375 1.02
Prot (kg) -4.04 -0.441 1.78
Fertility Sub Index 6.33
Calving Interval (days) -3.65 -1.459 5.33
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index 3.65
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 20.32

* Based on an €80/tonne carbon price