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 5.84
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -6.72 -0.375 2.52
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 7.78
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 1.58 1.117 1.77
Calving Sub Index 1.87
Gestation Length (days) -2.03 -0.919 1.87
Beef Sub Index 3.78
Carcass Weight (kg) -8.50 -0.528 4.48
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 25.70

* Based on an €80/tonne carbon price