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 4.48
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index 3.16
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) 1.05 1.117 1.17
Calving Sub Index 1.85
Gestation Length (days) -2.01 -0.919 1.85
Beef Sub Index 2.76
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) -1.74 -0.432 0.75
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 15.39

* Based on an €80/tonne carbon price