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 4.12
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -2.59 -0.375 0.97
Prot (kg) -1.47 -0.441 0.65
Fertility Sub Index 0.98
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) 0.56 1.117 0.63
Calving Sub Index 1.32
Gestation Length (days) -1.44 -0.919 1.32
Beef Sub Index -0.38
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index -0.58
Live WT (kg) 1.90 -0.307 -0.58
Total Carbon Sub Index 5.45

* Based on an €80/tonne carbon price