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 7.67
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -5.72 -0.375 2.14
Prot (kg) -6.76 -0.441 2.98
Fertility Sub Index -3.44
Calving Interval (days) 1.98 -1.459 -2.89
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -0.27
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.69 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 6.75

* Based on an €80/tonne carbon price