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 7.74
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -6.86 -0.375 2.57
Prot (kg) -5.91 -0.441 2.61
Fertility Sub Index 11.75
Calving Interval (days) -6.01 -1.459 8.77
Survival (%) 2.67 1.117 2.98
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 3.47
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 26.57

* Based on an €80/tonne carbon price