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 7.02
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -5.84 -0.375 2.19
Prot (kg) -5.31 -0.441 2.34
Fertility Sub Index 6.00
Calving Interval (days) -2.94 -1.459 4.29
Survival (%) 1.53 1.117 1.71
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.51
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.14 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 21.29

* Based on an €80/tonne carbon price