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 6.87
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -6.44 -0.375 2.41
Prot (kg) -7.68 -0.441 3.39
Fertility Sub Index 0.65
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index -1.26
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 4.01 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index -1.78
Live WT (kg) 5.80 -0.307 -1.78
Total Carbon Sub Index 4.47

* Based on an €80/tonne carbon price