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 3.87
Milk (kg) -249.00 -0.014 3.49
Fat (kg) 3.13 -0.375 -1.17
Prot (kg) -3.52 -0.441 1.55
Fertility Sub Index 3.98
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 0.86 1.117 0.96
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index 1.25
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 13.75

* Based on an €80/tonne carbon price