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 6.26
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -5.62 -0.375 2.11
Prot (kg) -5.71 -0.441 2.52
Fertility Sub Index 4.65
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 0.61 1.117 0.68
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 1.83
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 15.42

* Based on an €80/tonne carbon price