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 0.30
Milk (kg) -41.00 -0.014 0.57
Fat (kg) 1.45 -0.375 -0.54
Prot (kg) -0.62 -0.441 0.27
Fertility Sub Index 3.75
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 3.48
Carcass Weight (kg) -13.50 -0.528 7.12
Age of Slaughter (days) 8.43 -0.432 -3.64
Maintenance Sub Index Maint. Sub Index 13.06
Live WT (kg) -42.60 -0.307 13.06
Total Carbon Sub Index 21.37

* Based on an €80/tonne carbon price