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 6.75
Milk (kg) 17.00 -0.014 -0.24
Fat (kg) -8.78 -0.375 3.29
Prot (kg) -8.38 -0.441 3.70
Fertility Sub Index 1.58
Calving Interval (days) -0.63 -1.459 0.92
Survival (%) 0.59 1.117 0.66
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index -1.43
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 3.79 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index -0.67
Live WT (kg) 2.20 -0.307 -0.67
Total Carbon Sub Index 5.90

* Based on an €80/tonne carbon price