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 -5.24
Milk (kg) 55.00 -0.014 -0.77
Fat (kg) 7.75 -0.375 -2.90
Prot (kg) 3.54 -0.441 -1.56
Fertility Sub Index -4.00
Calving Interval (days) 1.83 -1.459 -2.67
Survival (%) -1.19 1.117 -1.33
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index 0.20
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index -0.71
Live WT (kg) 2.30 -0.307 -0.71
Total Carbon Sub Index -8.45

* Based on an €80/tonne carbon price