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 1.71
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 3.45 -0.375 -1.29
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 3.62
Calving Interval (days) -1.84 -1.459 2.68
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.17
Gestation Length (days) 0.18 -0.919 -0.17
Beef Sub Index -1.15
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 2.18 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 5.37

* Based on an €80/tonne carbon price