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 7.37
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -6.22 -0.375 2.33
Prot (kg) -6.60 -0.441 2.91
Fertility Sub Index 5.74
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.35 1.117 1.51
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 3.42
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) -3.27 -0.432 1.41
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 27.38

* Based on an €80/tonne carbon price