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 7.63
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -7.67 -0.375 2.87
Prot (kg) -5.79 -0.441 2.56
Fertility Sub Index 9.92
Calving Interval (days) -5.02 -1.459 7.32
Survival (%) 2.32 1.117 2.59
Calving Sub Index -2.34
Gestation Length (days) 2.55 -0.919 -2.34
Beef Sub Index -1.73
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 17.73

* Based on an €80/tonne carbon price