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 5.69
Milk (kg) -163.00 -0.014 2.28
Fat (kg) 0.18 -0.375 -0.07
Prot (kg) -7.87 -0.441 3.47
Fertility Sub Index 3.24
Calving Interval (days) -1.91 -1.459 2.79
Survival (%) 0.41 1.117 0.46
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 1.52
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 12.20

* Based on an €80/tonne carbon price