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 8.62
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -3.55 -0.375 1.33
Prot (kg) -10.53 -0.441 4.65
Fertility Sub Index 3.22
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index -0.79
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.66 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index -1.32
Live WT (kg) 4.30 -0.307 -1.32
Total Carbon Sub Index 9.92

* Based on an €80/tonne carbon price