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 4.81
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -4.77 -0.375 1.79
Prot (kg) -2.80 -0.441 1.24
Fertility Sub Index 4.00
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 1.40 1.117 1.56
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 2.34
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 6.96
Live WT (kg) -22.70 -0.307 6.96
Total Carbon Sub Index 23.09

* Based on an €80/tonne carbon price