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 18.01
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -20.32 -0.375 7.61
Prot (kg) -15.35 -0.441 6.77
Fertility Sub Index 3.42
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.78 1.117 0.87
Calving Sub Index -0.85
Gestation Length (days) 0.93 -0.919 -0.85
Beef Sub Index 4.03
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) -0.54 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 30.59

* Based on an €80/tonne carbon price