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 10.15
Milk (kg) -205.00 -0.014 2.87
Fat (kg) -10.90 -0.375 4.08
Prot (kg) -7.25 -0.441 3.20
Fertility Sub Index 8.97
Calving Interval (days) -4.56 -1.459 6.65
Survival (%) 2.07 1.117 2.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.97
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 30.72

* Based on an €80/tonne carbon price