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 4.64
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -3.66 -0.375 1.37
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index 4.75
Calving Interval (days) -2.23 -1.459 3.25
Survival (%) 1.34 1.117 1.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.80
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.37 -0.432 0.16
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 20.30

* Based on an €80/tonne carbon price