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 5.39
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -6.67 -0.375 2.50
Prot (kg) -2.71 -0.441 1.20
Fertility Sub Index 1.25
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) 0.99 1.117 1.11
Calving Sub Index -1.00
Gestation Length (days) 1.09 -0.919 -1.00
Beef Sub Index -2.42
Carcass Weight (kg) 5.30 -0.528 -2.80
Age of Slaughter (days) -0.88 -0.432 0.38
Maintenance Sub Index Maint. Sub Index -1.32
Live WT (kg) 4.30 -0.307 -1.32
Total Carbon Sub Index 1.91

* Based on an €80/tonne carbon price