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 3.63
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -3.27 -0.375 1.22
Prot (kg) -4.65 -0.441 2.05
Fertility Sub Index 10.76
Calving Interval (days) -6.83 -1.459 9.97
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.61
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 24.73

* Based on an €80/tonne carbon price