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 4.57
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index 3.68
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 0.63 1.117 0.70
Calving Sub Index 2.33
Gestation Length (days) -2.53 -0.919 2.33
Beef Sub Index -1.20
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 5.83 -0.432 -2.52
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index 7.63

* Based on an €80/tonne carbon price