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 2.78
Milk (kg) 32.00 -0.014 -0.45
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -0.82 -0.441 0.36
Fertility Sub Index 3.82
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 0.85 1.117 0.95
Calving Sub Index -1.23
Gestation Length (days) 1.34 -0.919 -1.23
Beef Sub Index -2.02
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) -0.81 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 4.73

* Based on an €80/tonne carbon price