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 4.69
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -3.34 -0.375 1.25
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 8.48
Calving Interval (days) -4.08 -1.459 5.95
Survival (%) 2.26 1.117 2.52
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -1.19
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 3.73 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 21.79

* Based on an €80/tonne carbon price