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 5.75
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -2.82 -0.375 1.06
Prot (kg) -5.17 -0.441 2.28
Fertility Sub Index 4.15
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -1.97
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.59 -0.432 -3.71
Maintenance Sub Index Maint. Sub Index 6.99
Live WT (kg) -22.80 -0.307 6.99
Total Carbon Sub Index 15.67

* Based on an €80/tonne carbon price