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 11.07
Milk (kg) -293.00 -0.014 4.10
Fat (kg) -8.03 -0.375 3.01
Prot (kg) -8.98 -0.441 3.96
Fertility Sub Index 8.74
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) 2.70 1.117 3.02
Calving Sub Index -1.85
Gestation Length (days) 2.01 -0.919 -1.85
Beef Sub Index 0.67
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.28 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 18.90

* Based on an €80/tonne carbon price