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 8.27
Milk (kg) 71.00 -0.014 -0.99
Fat (kg) -12.50 -0.375 4.68
Prot (kg) -10.38 -0.441 4.58
Fertility Sub Index 3.13
Calving Interval (days) -1.73 -1.459 2.52
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.23
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 12.67

* Based on an €80/tonne carbon price