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 2.06
Milk (kg) 33.00 -0.014 -0.46
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index 6.18
Calving Interval (days) -3.93 -1.459 5.73
Survival (%) 0.40 1.117 0.45
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.51
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 13.04

* Based on an €80/tonne carbon price