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 6.59
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 7.69
Calving Interval (days) -4.73 -1.459 6.90
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.26
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 22.07

* Based on an €80/tonne carbon price