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 3.31
Milk (kg) -309.00 -0.014 4.33
Fat (kg) 4.42 -0.375 -1.66
Prot (kg) -1.45 -0.441 0.64
Fertility Sub Index 2.70
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) 1.91 1.117 2.13
Calving Sub Index 2.49
Gestation Length (days) -2.71 -0.919 2.49
Beef Sub Index 4.94
Carcass Weight (kg) -13.40 -0.528 7.07
Age of Slaughter (days) 4.93 -0.432 -2.13
Maintenance Sub Index Maint. Sub Index 9.81
Live WT (kg) -32.00 -0.307 9.81
Total Carbon Sub Index 23.26

* Based on an €80/tonne carbon price