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 3.66
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -1.28 -0.375 0.48
Prot (kg) -4.09 -0.441 1.81
Fertility Sub Index 3.74
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.84 1.117 0.94
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.38
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 14.49

* Based on an €80/tonne carbon price