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 19.02
Milk (kg) -381.00 -0.014 5.33
Fat (kg) -16.65 -0.375 6.24
Prot (kg) -16.88 -0.441 7.45
Fertility Sub Index 4.46
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.48
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.16 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 24.50

* Based on an €80/tonne carbon price