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 12.29
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -11.68 -0.375 4.37
Prot (kg) -10.55 -0.441 4.66
Fertility Sub Index 7.25
Calving Interval (days) -4.44 -1.459 6.48
Survival (%) 0.69 1.117 0.77
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index 0.59
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -2.09 -0.432 0.90
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 24.47

* Based on an €80/tonne carbon price