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 6.57
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -5.56 -0.375 2.08
Prot (kg) -5.18 -0.441 2.29
Fertility Sub Index 4.22
Calving Interval (days) -3.26 -1.459 4.76
Survival (%) -0.48 1.117 -0.54
Calving Sub Index 1.44
Gestation Length (days) -1.57 -0.919 1.44
Beef Sub Index 3.54
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 20.27

* Based on an €80/tonne carbon price