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 4.81
Milk (kg) -309.00 -0.014 4.33
Fat (kg) 2.57 -0.375 -0.96
Prot (kg) -3.28 -0.441 1.45
Fertility Sub Index 6.00
Calving Interval (days) -3.65 -1.459 5.33
Survival (%) 0.60 1.117 0.67
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index -0.17
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) -3.02 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 13.27

* Based on an €80/tonne carbon price