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 2.78
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -7.60 -0.375 2.85
Prot (kg) 3.27 -0.441 -1.44
Fertility Sub Index 5.59
Calving Interval (days) -3.74 -1.459 5.46
Survival (%) 0.12 1.117 0.13
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.64
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -3.68 -0.432 1.59
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 16.12

* Based on an €80/tonne carbon price