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 2.81
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -1.50 -0.375 0.56
Prot (kg) -1.22 -0.441 0.54
Fertility Sub Index -2.07
Calving Interval (days) 2.06 -1.459 -3.01
Survival (%) 0.84 1.117 0.94
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index 1.14
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 6.76

* Based on an €80/tonne carbon price