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 4.29
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -2.05 -0.441 0.90
Fertility Sub Index 4.17
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 1.73 1.117 1.93
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.42
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 18.57

* Based on an €80/tonne carbon price