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 4.75
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index -0.98
Calving Interval (days) 0.75 -1.459 -1.09
Survival (%) 0.10 1.117 0.11
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 2.03
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.03 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 9.03

* Based on an €80/tonne carbon price