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 1.38
Milk (kg) -44.00 -0.014 0.62
Fat (kg) 1.17 -0.375 -0.44
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index 4.71
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 0.39 1.117 0.44
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index 2.66
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 12.95

* Based on an €80/tonne carbon price