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 1.01
Milk (kg) -27.00 -0.014 0.38
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -0.83 -0.441 0.37
Fertility Sub Index 1.67
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.24 1.117 0.27
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.54
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 3.52 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 15.04

* Based on an €80/tonne carbon price