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 5.77
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -5.68 -0.375 2.13
Prot (kg) -5.79 -0.441 2.56
Fertility Sub Index 0.89
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) 0.48 1.117 0.54
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index -0.29
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.45 -0.432 -1.92
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index 5.49

* Based on an €80/tonne carbon price