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 5.36
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -6.33 -0.375 2.37
Prot (kg) -6.13 -0.441 2.71
Fertility Sub Index -4.61
Calving Interval (days) 1.86 -1.459 -2.71
Survival (%) -1.70 1.117 -1.90
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -1.67
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 4.12 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index -0.98
Live WT (kg) 3.20 -0.307 -0.98
Total Carbon Sub Index -1.65

* Based on an €80/tonne carbon price