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 3.90
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -1.94 -0.375 0.73
Prot (kg) -3.48 -0.441 1.54
Fertility Sub Index 5.77
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.51 1.117 1.69
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index 0.97
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 16.58

* Based on an €80/tonne carbon price