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 1.85
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -1.44 -0.375 0.54
Prot (kg) 0.81 -0.441 -0.36
Fertility Sub Index -7.25
Calving Interval (days) 4.01 -1.459 -5.85
Survival (%) -1.25 1.117 -1.40
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index -0.45
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.74 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -3.69

* Based on an €80/tonne carbon price