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 -8.28
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) 14.23 -0.375 -5.33
Prot (kg) 6.42 -0.441 -2.83
Fertility Sub Index 16.65
Calving Interval (days) -7.68 -1.459 11.21
Survival (%) 4.87 1.117 5.44
Calving Sub Index 3.56
Gestation Length (days) -3.87 -0.919 3.56
Beef Sub Index 2.14
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 3.11 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.67

* Based on an €80/tonne carbon price