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 4.14
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -3.54 -0.375 1.33
Prot (kg) -4.69 -0.441 2.07
Fertility Sub Index 9.29
Calving Interval (days) -5.29 -1.459 7.72
Survival (%) 1.41 1.117 1.58
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index 1.80
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 20.35

* Based on an €80/tonne carbon price