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 3.15
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -1.63 -0.441 0.72
Fertility Sub Index 3.07
Calving Interval (days) -1.66 -1.459 2.42
Survival (%) 0.58 1.117 0.65
Calving Sub Index 0.01
Gestation Length (days) -0.01 -0.919 0.01
Beef Sub Index -5.33
Carcass Weight (kg) 8.90 -0.528 -4.69
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index -0.66

* Based on an €80/tonne carbon price