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 2.11
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -0.93 -0.375 0.35
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 3.66
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.65 1.117 0.73
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.83
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 3.95 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 14.87

* Based on an €80/tonne carbon price