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 5.53
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -3.81 -0.375 1.43
Prot (kg) -5.65 -0.441 2.49
Fertility Sub Index 4.81
Calving Interval (days) -4.44 -1.459 6.48
Survival (%) -1.49 1.117 -1.66
Calving Sub Index -3.40
Gestation Length (days) 3.70 -0.919 -3.40
Beef Sub Index 2.40
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -3.49 -0.432 1.51
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 11.41

* Based on an €80/tonne carbon price