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 6.38
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -4.89 -0.441 2.16
Fertility Sub Index 5.86
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.72 1.117 1.92
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.09
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.33 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 20.39

* Based on an €80/tonne carbon price