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 4.52
Milk (kg) -152.00 -0.014 2.13
Fat (kg) 1.63 -0.375 -0.61
Prot (kg) -6.81 -0.441 3.01
Fertility Sub Index 2.87
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 1.54
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 10.55

* Based on an €80/tonne carbon price