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 9.83
Milk (kg) -429.00 -0.014 6.01
Fat (kg) 1.80 -0.375 -0.67
Prot (kg) -10.19 -0.441 4.50
Fertility Sub Index 8.42
Calving Interval (days) -5.12 -1.459 7.47
Survival (%) 0.85 1.117 0.95
Calving Sub Index 1.14
Gestation Length (days) -1.24 -0.919 1.14
Beef Sub Index 1.25
Carcass Weight (kg) -9.20 -0.528 4.85
Age of Slaughter (days) 8.35 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 10.27
Live WT (kg) -33.50 -0.307 10.27
Total Carbon Sub Index 30.91

* Based on an €80/tonne carbon price