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 1.67
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -0.84 -0.375 0.31
Prot (kg) 1.01 -0.441 -0.45
Fertility Sub Index -4.79
Calving Interval (days) 2.78 -1.459 -4.06
Survival (%) -0.66 1.117 -0.74
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -0.16
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 4.29 -0.432 -1.85
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -1.47

* Based on an €80/tonne carbon price