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 11.02
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -11.33 -0.375 4.24
Prot (kg) -10.59 -0.441 4.67
Fertility Sub Index 2.14
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.30 1.117 0.34
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.82
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 22.59

* Based on an €80/tonne carbon price