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 3.19
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -3.67 -0.375 1.37
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index -5.13
Calving Interval (days) 2.89 -1.459 -4.22
Survival (%) -0.82 1.117 -0.92
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index -1.17
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 3.45 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index -4.05

* Based on an €80/tonne carbon price