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 8.30
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -8.07 -0.375 3.02
Prot (kg) -8.33 -0.441 3.68
Fertility Sub Index 3.67
Calving Interval (days) -2.00 -1.459 2.92
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index 0.26
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 12.35

* Based on an €80/tonne carbon price