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 6.49
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -3.97 -0.375 1.49
Prot (kg) -6.52 -0.441 2.88
Fertility Sub Index 4.26
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) -1.63 1.117 -1.82
Calving Sub Index -3.56
Gestation Length (days) 3.87 -0.919 -3.56
Beef Sub Index 2.32
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -4.02 -0.432 1.74
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index 11.94

* Based on an €80/tonne carbon price