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 5.40
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -2.46 -0.375 0.92
Prot (kg) -7.24 -0.441 3.20
Fertility Sub Index -2.51
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) -0.55 1.117 -0.61
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.76
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index 4.55

* Based on an €80/tonne carbon price