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 8.60
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -11.15 -0.375 4.18
Prot (kg) -7.96 -0.441 3.51
Fertility Sub Index 8.03
Calving Interval (days) -4.64 -1.459 6.77
Survival (%) 1.13 1.117 1.26
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 1.27
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 23.09

* Based on an €80/tonne carbon price