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 3.58
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -3.14 -0.375 1.18
Prot (kg) -3.61 -0.441 1.59
Fertility Sub Index 7.63
Calving Interval (days) -3.77 -1.459 5.50
Survival (%) 1.91 1.117 2.13
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index 1.11
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 15.24

* Based on an €80/tonne carbon price