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 11.75
Milk (kg) -309.00 -0.014 4.33
Fat (kg) -5.89 -0.375 2.21
Prot (kg) -11.82 -0.441 5.22
Fertility Sub Index 3.61
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) -0.18 1.117 -0.20
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.51
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.33 -0.432 -1.44
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 20.20

* Based on an €80/tonne carbon price