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 7.12
Milk (kg) -254.00 -0.014 3.56
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -6.56 -0.441 2.90
Fertility Sub Index 2.29
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.59
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 7.13
Live WT (kg) -23.25 -0.307 7.13
Total Carbon Sub Index 17.88

* Based on an €80/tonne carbon price