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 11.49
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -13.36 -0.375 5.00
Prot (kg) -10.09 -0.441 4.45
Fertility Sub Index 7.32
Calving Interval (days) -3.82 -1.459 5.57
Survival (%) 1.56 1.117 1.74
Calving Sub Index -1.19
Gestation Length (days) 1.29 -0.919 -1.19
Beef Sub Index -4.26
Carcass Weight (kg) 5.80 -0.528 -3.06
Age of Slaughter (days) 2.77 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index -1.81
Live WT (kg) 5.90 -0.307 -1.81
Total Carbon Sub Index 11.56

* Based on an €80/tonne carbon price