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 8.27
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -11.41 -0.375 4.27
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 4.61
Calving Interval (days) -2.19 -1.459 3.20
Survival (%) 1.27 1.117 1.42
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -1.75
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 4.67 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 14.41

* Based on an €80/tonne carbon price