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 1.11
Milk (kg) -147.00 -0.014 2.06
Fat (kg) 3.68 -0.375 -1.38
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index 2.01
Calving Interval (days) -1.14 -1.459 1.66
Survival (%) 0.31 1.117 0.35
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 4.10
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) -1.93 -0.432 0.83
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 17.50

* Based on an €80/tonne carbon price